McMaster-Carr logo
    Filter by
    System of Measurement
    Square Drive Size
    Attribute Image
    Head Style
    Overall Length
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    DFARS Specialty Metals
    Number of Contact Points
    Strap Replaceable
    Spanner Wrench Style
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    72 Products

    Strap Wrenches

    Image of Product. Front orientation. Strap Wrenches. Strap Wrenches, Iron Handle.
    Image of Product. Front orientation. Strap Wrenches. Strap Wrenches, Plastic Handle.
    Image of Product. Front orientation. Strap Wrenches. Strap Wrenches, Aluminum Handle.

    Iron Handle

    Plastic Handle

    Aluminum Handle

    The nonmarring strap grips plastic pipe, tubing, hand wheels, filters, and objects with highly polished surfaces.
    Handle
    Strap
    For OD
    Lg.
    Material
    Wd.
    Lg.
    Thk.
    Material
    Replaceable
    Specs. Met
    Each
    1/4" to 4"6"Aluminum
    1/2"22"1/32"Polyester FabricYes0000000000000
    1/2" to 2"12"Iron1 1/4"17"1/16"Rubber-Coated Polyester FabricYesFed. Spec. GGG-W-65100000000000
    1/2" to 4"6"Plastic1/2"20"1/8"RubberYes000000000000
    3/4" to 6 3/4"8"Plastic3/4"24"3/16"RubberYes0000000000000
    3/4" to 11"8"Aluminum
    3/4"38"3/16"RubberYes0000000000000
    1 1/4" to 6 1/2"18"Iron1 3/4"30"3/32"Rubber-Coated Polyester FabricYesFed. Spec. GGG-W-651000000000000
    2 3/8" to 12"24"Iron2 1/4"54"3/32"Rubber-Coated Polyester FabricYes000000000000
    Replacement Straps

    Chain Wrenches

    Image of Product. Front orientation. Chain Wrenches. Chain Wrenches, Iron Handle.
    Image of Product. Front orientation. Chain Wrenches. Chain Wrenches, Steel Handle.

    Iron Handle

    Steel Handle

    Hold and turn pipe, tubing, and conduit with these heavy duty wrenches.
    Wrenches
    Replacement
    Chains
    Replacement Jaws
    Handle
    Chain
    For OD
    Lg.
    Material
    Lg.
    Breaking Strength,
    lbf
    Material
    Replaceable
    Grip
    Material
    Specs. Met
    Each
    Each
    Each
    3/8" to 4 9/16"14"Iron17"6,500SteelYes0000000000000000000000000000000000000000
    1/2" to 4 3/4"13"Steel16"5,000SteelYesPlastic000000000000000000000000———0
    9/16" to 5"18"Iron18"12,100SteelYes0000000000000000000000000000000000000
    9/16" to 5 3/4"24"Iron21"12,100SteelYes0000000000000000000000000000000000000
    13/16" to 7 1/16"33"Iron27"17,750SteelYesFed. Spec. GGG-W-651000000000000000000000000000000000000000
    1 5/16" to 8 1/2"44"Iron31"24,500SteelYesFed. Spec. GGG-W-651000000000000000000000000000000000000000
    1 7/8" to 10 15/16"46"Iron40"27,000SteelYesFed. Spec. GGG-W-65100000000000000000000000000000000000000000
    2 7/8" to 12 15/16"46"Iron48"35,000SteelYes00000000000000000000000000000000000000000
    2 7/8" to 17 15/16"46"Iron72"35,000SteelYesFed. Spec. GGG-W-65100000000000000000000000000000000000000000
    3" to 6 3/4"19 1/2"Steel24"8,100SteelYes00000000000000000000000000———0

    Square Drive Strap Wrenches

    Image of Product. 3/8" Square Drive Size (Ratchet Wrench Not Included). Front orientation. Strap Wrenches. Square Drive Strap Wrenches, 3/8" Square Drive.
    Image of Product. 1/2" Square Drive Size (Ratchet Wrench Not Included). Front orientation. Strap Wrenches. Square Drive Strap Wrenches, 1/2" Square Drive.

    3/8" Square Drive Size

    (Ratchet Wrench Not

    Included)

    1/2" Square Drive Size

    (Ratchet Wrench Not

    Included)

    Pair these tools with your ratchet wrench to get more leverage. The nonmarring strap grips plastic pipe, tubing, hand wheels, filters, and objects with highly polished surfaces.
    Handle
    Strap
    Square Drive
    Size
    For OD
    Lg.
    Material
    Wd.
    Lg.
    Thk.
    Material
    Replaceable
    Each
    3/8"1/2" to 2"6 1/2"Aluminum
    1/2"12"5/64"Neoprene/Polymer FabricYes00000000000000
    1/2"3/4" to 6"6"Steel2"23"1/16"Nylon FabricNo000000000000
    Replacement Straps

    Sure-Grip Strap Wrenches

    Image of Product. Front orientation. Strap Wrenches. Sure-Grip Strap Wrenches.
    While some wrenches require you hold the strap, these have a shackle that keeps the strap closed for extra turning force and quick adjustment. They're nonmarring and grip plastic pipe, tubing, hand wheels, filters, and objects with highly polished surfaces.
    Handle
    Strap
    For OD
    Lg.
    Material
    Wd.
    Lg.
    Thk.
    Material
    Replaceable
    Each
    1 1/2" to 5"12"Aluminum
    1"22 1/4"1/8"Urethane-Coated NylonNo0000000000000
    2 3/8" to 12"24"Iron2 1/4"54"3/32"Rubber-Coated Polyester FabricYes0000000000000
    3" to 10"18"Aluminum
    1 3/4"34 1/4"9/64"Urethane-Coated NylonNo000000000000
    Replacement Straps

    Square Drive Oil Filter Sockets

    Image of ProductInUse. Shown with Ratchet Wrench (Not Included). Front orientation. Oil Filter Sockets. Square Drive Oil Filter Sockets.
    Image of Product. Front orientation. Oil Filter Sockets. Square Drive Oil Filter Sockets.

    Shown with Ratchet

    Wrench (Not Included)

    Use your ratchet wrench as a handle to reach filters and other round objects in tight spots.
    Square Drive
    Size
    For OD
    Material
    Wrench
    Style
    Each
    3/8"2 1/2" to 3 1/8"SteelOpen End0000000000000
    3/8"3 1/8" to 3 7/8"SteelOpen End000000000000

    Strap Wrench Sets

    Image of Product. Front orientation. Strap Wrenches. Strap Wrench Sets.
    The nonmarring strap grips plastic pipe, tubing, hand wheels, filters, and objects with highly polished surfaces.
    No. of
    Pieces
    Includes
    Handle
    Material
    Strap
    Material
    Each
    2Strap Wrench for 1/2"-4" OD—1/2" Strap Wd. × 20" Strap Lg. × 1/8" Strap Thick. × 6" Handle Lg.
    Strap Wrench for 3/4"-6 3/4" OD—3/4" Strap Wd. × 24" Strap Lg. × 3/16" Strap Thick. × 8" Handle Lg.
    PlasticRubber00000000000000
    Replacement Straps

    Water Filter Spanner Wrenches

    Image of Product. Front orientation. Contains Annotated. Spanner Wrenches. Water Filter Spanner Wrenches.
    Multiple contact points grip the grooves on plastic water filter housings for loosening and removal. To estimate the diameter of your housing, measure its circumference and divide by 3.14. These wrenches are not for tightening.
    ID
    No. of Contact
    Points
    Overall
    Lg.
    Material
    Each
    3 3/4"611 1/2"Plastic00000000000000
    4 1/4"410 3/4"Plastic0000000000000
    5 3/4"613"Plastic0000000000000
     

    High-Leverage Chain Wrenches

    Image of Product. Front orientation. Chain Wrenches. High-Leverage Chain Wrenches.
    An extra-long handle provides leverage for turning heavy or stuck objects. These wrenches are also known as chain tongs. When the teeth on the jaws become burred or dull, reverse them to double the service life.
    Wrenches
    Replacement
    Chains
    Handle
    Chain
    For OD
    Lg.
    Material
    Lg.
    Breaking Strength,
    lbf
    Material
    Replaceable
    Each
    Each
    1/4" to 2 1/2"27"Steel19"13,800SteelYes0000000000000000000000000000
    3/4" to 4"37"Steel24"17,600SteelYes00000000000000000000000000
    1" to 6"47"Steel31"20,100SteelYes0000000000000000000000000000
    1 1/2" to 8"57"Steel37"22,000SteelYes0000000000000000000000000000
    2" to 12"67"Steel54"31,000SteelYes0000000000000000000000000000

    Square-Drive Chain Wrenches

    Image of ProductInUse. Shown with Ratchet Wrench (Not Included). Front orientation. Chain Wrenches. Square-Drive Chain Wrenches.
    Image of Product. Front orientation. Chain Wrenches. Square-Drive Chain Wrenches.

    Shown with Ratchet Wrench

    (Not Included)

    Using your ratchet wrench as a handle, access hard-to-reach caps and plugs or grip objects of almost any shape.
    Chain
    Square Drive
    Size
    For OD
    Lg.
    Breaking Strength,
    lbf
    Material
    Replaceable
    Head
    Material
    Each
    1/2"3/4" to 5"16"6,400SteelNoSteel000000000000
    3/4"1 1/2" to 7 1/2"25"13,000SteelNoIron0000000000000

    Sure-Grip Chain Wrenches

    Image of Product. Front orientation. Chain Wrenches. Sure-Grip Chain Wrenches.
    Turn the adjustment screw and squeeze the handle to lock the chain in place; press the lever to release.
    Wrenches
    Replacement
    Chains
    Extension Chain
    Handle
    Chain
    For OD
    Lg.
    Material
    Lg.
    Breaking Strength,
    lbf
    Material
    Replaceable
    Each
    Each
    Each
    11/16" to 5 11/16"9"Steel18"6,000SteelYes000000000000000000000000000000000000000

    Flex-Head Strap Wrenches

    Image of Product. Front orientation. Strap Wrenches. Flex-Head Strap Wrenches.
    Image of Attribute. Front orientation. Contains Annotated. Strap Wrenches. Flex-Head Strap Wrenches.
    Pivot the head to clear obstructions and turn filters and other cylindrical objects in hard-to-reach areas.
    Handle
    Strap
    For OD
    Lg.
    Material
    Wd.
    Material
    Replaceable
    Grip
    Material
    Flex Range
    of Motion
    Each
    2 3/8" to 2 5/8"4 7/8"Steel1/2"Stainless SteelNoPlastic180°0000000000000
    2 7/8" to 3 1/4"4 7/8"Steel1"Stainless SteelNoPlastic180°000000000000
    3 1/2" to 3 7/8"4 7/8"Steel1"Stainless SteelNoPlastic180°000000000000
    4 1/8" to 4 1/2"4 7/8"Steel1"Stainless SteelNoPlastic180°000000000000
    back to top