Wheel Blocks | McMaster-Carr

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Black/Reflective Yellow

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For Maximum Vehicle Weight

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Number of Chocks Included

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Aluminum Plates with Gripping Teeth

Chock Base Style

Surface Texture

Reversible

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EAR99

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Mounting Hardware

Fasteners for Asphalt and Concrete Included

Fasteners for Asphalt Included

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59 Products

Wheel Chocks


Style 1	Style 2 (Chocks Sold Separately)

Style 3	Style 4

Style 5	Style 6

Style 7	Style 8

Style 9	Style 10

Style 11	Style 12 (Chocks Sold Separately)

Style 13	Style 14 (Chocks Sold Separately)

Style 15 (Chocks Sold Separately)	Style 16 (Chocks Sold Separately)

Style 17	Style 18

Style 19	Style 20

Style 21	Style 22

Style 23	Style 24

Style 25	Style 26

Style 27	Style 28

Style 29	Style 30

Style 31	Style 32

Keep wheels stationary while loading, unloading, and servicing vehicles. Chocks for wheel diameters 30" and larger are typically used for commercial vehicles, including semi-trucks and tractors. Chocks for wheel diameters under 30" are for use on small cars, trucks, and vans.

Chocks with a rope, carrying handle, or U-bolt handle give you a gripping point for easy carrying.

Chocks with a hole, an anchor plate with hole, an eyebolt, or a chain let you connect two chocks or can be secured to prevent theft.

Not Reversible


Style 1	Style 2 (Chocks Sold Separately)

Style 3	Style 4

Style 5	Style 6

Style 7	Style 8

Style 9	Style 10

Style 11	Style 12 (Chocks Sold Separately)

Style 13	Style 14 (Chocks Sold Separately)

Style 15 (Chocks Sold Separately)	Style 16 (Chocks Sold Separately)

Style 17

Rubber—Rubber chocks are flexible with a high-friction surface, but wear more quickly than other materials.

Aluminum—Aluminum chocks are lightweight for easy handling.

Steel—Steel chocks are wear resistant for a long service life.

Polyurethane Rubber—Polyurethane rubber chocks are lightweight and resist chemicals and oils.

Style 3—Style 3 have multiple layers of laminated rubber to absorb shock.

Style 8—Style 8 have a flag that inserts and locks on either side to indicate that chock is in use.

Antislip Surface—Chocks with an antislip or serrated surface improve traction between wheels and the chock.

Hollow Middle—Chocks with a hollow middle are lighter in weight than solid chocks.

	Style	For Max. Wheel Dia.	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Features		Each
Rubber



		1	28"	6 1/2"	4"	3 1/4"	Black	Smooth	Ridged	Closed	Not Rated	Hollow Middle	0000000	000000


		1	28"	6 1/2"	6"	3 1/4"	Black	Smooth	Ridged	Closed	Not Rated	Hollow Middle	0000000	00000
		1	28"	6 1/2"	12"	3 1/4"	Black	Smooth	Ridged	Closed	Not Rated	Hollow Middle	0000000	00000
		2	30"	10"	7 1/4"	8"	Black	Smooth	Ridged	Closed	60,000	3/4" Dia. Hole	0000000	00000
		3	30"	8"	8"	8"	Black	Rubber Gripping Pads	Ridged	Closed	60,000	Anchor Plate with 5/8" Dia. Hole	0000000	00000
		4	7"	8"	7 1/2"	8"	Black	Rubber Gripping Pads	Ridged	Closed	40,000	Carrying Handle	000000000	00000
		5	24"	8"	8"	8"	Black	Rubber Gripping Pads	Ridged	Closed	90,000	10-ft. Long Chain, Anchor Plate with 3/4" Dia. Hole	00000000	00000
		6	16"	8 1/16"	5"	4 1/8"	Black	Smooth	Ridged	Open	10,000	56" Long Nylon Rope	000000000	00000


		Aluminum



				7	28"	11 3/4"	7"	8"	—	Gripping Teeth	Smooth	Open	Not Rated	Hollow Middle	0000000	00000


				Powder-Coated Aluminum



						7	42"	10 3/4"	7"	8"	Yellow	Gripping Teeth	Ridged	Open	Not Rated	Hollow Middle	0000000	00000


						8	33"	10 3/4"	7"	8"	Yellow	Smooth	Ridged	Open	80,000	Hollow Middle	0000000	000000


						Steel



								9	16"	8 1/4"	8 1/2"	7 1/8"	—	Gripping Teeth	Ridged	Closed	20,000	Hollow Middle	000000000	00000


								10	28"	15 1/4"	8 1/2"	8 1/2"	—	Gripping Teeth	Smooth	Open	20,000	Hollow Middle	000000000	000000


								Powder-Coated Steel



										11	32"	10 3/4"	8"	9"	Yellow	Gripping Teeth	Smooth	Open	Not Rated	1/2" Dia. Hole	000000	00000


										12	30"	9 1/2"	7 1/2"	8 5/8"	Yellow	Smooth	Diamond	Open	Not Rated	Carrying Handle	0000000	00000
										13	30"	9 15/16"	9 13/16"	8 1/4"	Yellow	Gripping Teeth	—	Open	Not Rated	10-ft. Long Chain	0000000	00000


										Polyurethane Rubber



												14	30"	11 1/4"	7 3/4"	8"	Orange	Smooth	Ridged	Closed	Not Rated	3/4" Dia. Hole	0000000	00000


												14	65"	17"	14"	14"	Orange	Smooth	Ridged	Closed	245,000	1" Dia. Hole	0000000	000000
												15	46"	21"	11 1/4"	12 1/4"	Yellow	Aluminum Plates with Gripping Teeth	Ridged	Open	150,000	Carrying Handle	00000000	000000
												15	65"	15"	15"	11"	Yellow	Rubber Gripping Pads	Ridged	Closed	245,000	1 3/8" Dia. Hole, Antislip Surface	00000000	000000
												16	105"	17 3/4"	15 1/4"	10"	Yellow	Rubber Gripping Pads	Ridged	Closed	550,000	1 1/8" Dia. Hole, Antislip Surface	0000000	000000
17												28"	8 1/2"	6"	6"	Orange	Smooth	Ridged	Open	30,000	35" Long Nylon Rope	00000000	00000
17	36"											10"	7"	7 1/2"	Orange	Smooth	Ridged	Open	60,000	40" Long Nylon Rope	00000000	00000

Reversible


Style 18	Style 19

Style 20	Style 21

Style 22	Style 23

Style 24	Style 25

Style 26	Style 27

Style 28	Style 29

Style 30	Style 31

Style 32

Reversible chocks can be used on both sides for twice the service life.

Rubber—Rubber chocks are flexible with a high-friction surface, but wear more quickly than other materials.

Steel—Steel chocks are wear resistant for a long service life.

Polyurethane Rubber—Polyurethane rubber chocks are lightweight and resist chemicals and oils.

Serrated Surface—Chocks with an antislip or serrated surface improve traction between wheels and the chock.

Glow-in-the-Dark Strip and Reflective Sides—Chocks with reflective sides or a glow-in-the-dark strip are easy to see at night.

	For Max. Wheel Dia.	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Features		Each
Plastic



	18	28"	6"	9 1/2"	3 7/8"	Yellow	Smooth	Smooth	Closed	Not Rated	27" Long Nylon Rope	000000	000000


	19	28"	6"	9 1/2"	3 7/8"	Yellow	Smooth	Smooth	Closed	Not Rated	33" Long Nylon Rope	000000	00000


	Rubber



			20	24"	8"	9"	5 3/4"	Orange	Smooth	Ridged	Open	Not Rated	1" ID Eyebolt	0000000	00000


			20	28"	9 1/2"	7 1/2"	6"	Black	Smooth	Ridged	Open	Not Rated	3/4" ID Eyebolt	0000000	00000
			21	28"	8 3/4"	9"	6"	Black	Smooth	Ridged	Closed	Not Rated	3/4" ID Eyebolt	000000	00000
			22	28"	8"	10"	5 1/2"	Black	Smooth	Smooth	Closed	Not Rated	Carrying Handle	0000000	00000
			23	24"	7 7/8"	9 1/4"	6"	Black	Smooth	Ridged	Open	Not Rated	U-Bolt Handle	0000000	00000
			24	9"	10 1/8"	9 1/2"	5 1/2"	Black	Rubber Gripping Pads	Ridged	Closed	40,000	Carrying Handle	000000000	00000
			25	32"	11 3/4"	15 5/8"	8"	Black	Smooth	Smooth	Open	30,000	Carrying Handle	000000000	00000
			26	9"	8"	9 1/4"	6"	Orange	Rubber Gripping Pads	Ridged	Open	10,000	Carrying Handle	000000000	00000
			27	28"	4"	10"	4"	Black	Smooth	Ridged	Closed	Not Rated	Reflective Sides	0000000	00000
			27	28"	6"	12"	6"	Black	Smooth	Ridged	Closed	Not Rated	Reflective Sides	0000000	00000
			27	28"	6"	30"	6"	Black	Smooth	Ridged	Closed	Not Rated	Reflective Sides	0000000	000000


			28	16"	5"	10"	4 3/8"	Black	Smooth	Ridged	Open	Not Rated	3-ft. Long Polypropylene Rope	00000000	00000
			29	22"	6"	18"	5 1/2"	Black	Rubber Gripping Pads	Ridged	Closed	30,000	2-ft. Long Polypropylene Rope	000000000	000000


			Steel



					30	20"	10 7/8"	9"	5 1/8"	—	Gripping Teeth	Serrated	Closed	20,000	Carrying Handle	000000000	00000


					Polyurethane Rubber



							31	65"	16"	8"	6"	Orange	Smooth	Diamond	Open	100,000	44" Long Nylon Rope, Glow-in-the-Dark Strip, Reflective Sides	00000000	000000


							32	120"	24"	8"	6"	Orange	Smooth	Pyramid	Open	100,000	44" Long Nylon Rope, Glow-in-the-Dark Strip, Reflective Sides	00000000	000000

Pallet Truck Wheel Chocks

Keep pallet trucks upright and in place with these wheel chocks. They’re often used to stop pallet trucks from rolling while being transported, which prevents damage to the vehicle and the pallet truck. Since tipping pallet trucks on their side can cause hydraulic fluid to leak, these wheel chocks hold them upright.

Roll your wheels up the tapered side and into the recess, which keeps them from moving. Use the handle on the other side to carry the chocks, or to hang them for storage. Made of rubber, they’re durable and won’t slip.

	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	For Max. Vehicle Wt.	Features		Each
Rubber



	5 7/8"	14"	11 3/4"	2"	Black	Smooth	Smooth	Not Rated	Handle	0000000	000000

Light Duty Wheel Chocks with Magnet


	Magnet on Chock Base

Stick these wheel chocks onto pallet trucks, carts, and other metal surfaces to keep them handy when they’re not in use—there’s a magnet on the base. Often used during deliveries, they keep light vehicles from rolling away while you load and unload.

	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Specs. Met		Each
Polyurethane Rubber



	5 7/8"	5 3/4"	4"	2 1/4"	Green	Rubber Gripping Pads	Ridged	Closed	10,000	OSHA Compliant 29 CFR 1910.178	0000000	000000

Recycled Plastic Wheel Chocks

A sustainable alternative to standard plastic wheel chocks, these chocks are made from 100% recycled material, conserving manufacturing energy and resources. They keep wheels from moving while you load, unload, or service a vehicle. All have at least one hole, so you can tie two chocks together with a rope or attach a chain to secure the chock.

Not Reversible

Nonreversible chocks only have one usable side.

	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Features		Each
Plastic



	35"	10 1/4"	7 1/2"	7 1/2"	Black	Smooth	Diamond	Closed	40,000	Two 1 3/8" Dia. Holes	0000000	000000

Reversible

Reversible chocks last longer than nonreversible chocks. When one side wears out, you can use the other side.

	Lg.	Wd.	Ht.	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Features		Each
Plastic



	35"	10 1/2"	9 1/4"	6"	Yellow	Smooth	Ridged	Open	40,000	1 1/8" Dia. Hole	0000000	000000

Parking Curbs


Plastic	Rubber

Designate parking spaces and block drivers from pulling too far into a space.

Rubber—Rubber curbs have reflective yellow strips for high visibility.

	Curbs								Replacement Hardware
	Material	Lg., ft.	Wd.	Ht.	Mounting Hardware	Choose a Color		Each	Pkg. Qty.		Pkg.
Screw In



		Plastic	6	6"	4"	Fasteners for Asphalt and Concrete Included	Blue , Gray , Yellow	00000000	000000	3	00000000	000000


		Rubber	4	6"	4 1/2"	Fasteners for Asphalt Included	Black/Reflective Yellow	00000000	00000	4	00000000	00000
		Rubber	6	6"	4 1/4"	Fasteners for Asphalt Included	Black/Reflective Yellow	00000000	00000	4	00000000	00000

Hardware

	Pkg. Qty.		Pkg.
Hardware for Installing Rubber Curbs on Concrete	4	00000000	000000

Wheel Chocks with Extended-Length Handle


Rubber	Rubber with Flag	Aluminum with Flag

Powder-Coated Steel	Powder-Coated Steel with Flag

Quickly and safely secure a vehicle’s wheels without bending down. The handle makes these wheel chocks ergonomic and reduces the risk of injury if your vehicle moves during installation. Use them during loading, unloading, and servicing vehicles.

Rubber—Rubber chocks are flexible, so they have good traction to stop rolling wheels. However, they wear more quickly than metal chocks.

Aluminum—Aluminum chocks are lightweight for easy handling. They also resist corrosion, so they’re suited for outdoor use.

Powder-Coated Steel—Steel chocks are wear resistant for a long service life.

10-ft. Long Chain—Chocks with a chain can be easily secured when not in use.

Hollow Middle—Chocks with a hollow middle are lighter and easier to transport than solid chocks.

Flag—Chocks with a flag increase visibility for safety.

	Flag Color	Handle Ht.	Lg.	Wd.	Ht.	Handle Color	Color	Base Texture	Surface Texture	Chock Base Style	For Max. Vehicle Wt., lb.	Features	Includes	Specs. Met		Each
Rubber



	24"	—	37 1/8"	8"	9 1/4"	6"	Safety Yellow	Black	Rubber Gripping Pads	Ridged	Open	10,000	—	—	OSHA Compliant 29 CFR 1910.178	0000000	000000


	24"	Orange	37 1/8"	8"	9 1/4"	6"	Safety Yellow	Black	Rubber Gripping Pads	Ridged	Open	10,000	—	Flag	OSHA Compliant 29 CFR 1910.178	0000000	00000


	Aluminum



			30"	Orange	38"	11 7/8"	7"	7 5/8"	Safety Yellow	—	Gripping Teeth	Smooth	Closed	30,000	Hollow Middle	Flag	OSHA Compliant 29 CFR 1910.178	0000000	000000


			Powder-Coated Steel



					32"	—	37 7/8"	9 1/2"	9 13/16"	8 1/4"	Safety Yellow	Safety Yellow	Smooth	—	Open	30,000	10-ft. Long Chain, Hollow Middle	—	OSHA Compliant 29 CFR 1910.178	0000000	00000


					32"	Orange	37 7/8"	10"	9 13/16"	8 1/4"	Safety Yellow	Safety Yellow	Smooth	—	Open	30,000	10-ft. Long Chain, Hollow Middle	Flag	OSHA Compliant 29 CFR 1910.178	0000000	000000

Wheel Chock Holders


Style A	Style B

Style C

Store wheel chocks near docks and loading zones so they’re on hand when vehicles arrive.

Style A—Style A holders have a wide top opening so you can easily pull out your wheel chock. They also have openings on each side to accommodate chocks that have eye bolts or chains on the ends.

Style B—Style B holders have a wide top opening so you can easily pull out your wheel chock. They also have openings on each side to accommodate chocks that have eye bolts or chains on the ends and they have a sign reminding drivers to chock their wheels.

Style C—Style C holders have a narrow top opening for a tight fit and a support bar on the bottom to keep wheel chocks from falling through. They’re often mounted to vehicles because they’ll keep chocks from jostling and falling out during movement.

	Inside							Mounting Holes
Style	Lg.	Wd.	Ht.	Wt. Cap., lb.	Material	Color	Mounting Fasteners Included	No. of	Dia.		Each
A	7 7/16"	11 1/4"	6 1/2"	40	Powder-Coated Steel	Yellow	No	4	5/16"	0000000	000000
B	8 1/4"	12 7/8"	10 3/16"	40	Powder-Coated Steel	Yellow	No	6	5/16"	0000000	00000
C	6 3/16"	9"	9 3/4"	50	Powder-Coated Steel	Yellow	No	4	3/8"	0000000	00000