Ring Spanners | McMaster-Carr

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Drive Size

Wrench Style

Wrench Opening Shape

System of Measurement

Head Style

Drive Style

External 12-Point

External Spline

External Square

Sold As

Ratcheting

Overall Length

3 1/4" to 5 1/2"

3 3/8" to 4 5/16"

3 1/2" to 5 3/8"

3 1/2" to 5 1/2"

Head Thickness

Finish

Material

Aluminum Bronze

Stainless Steel

Head Offset Angle

Appearance

Number of Heads

Wrench Type

REACH

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Number of Pieces

Opening Angle

Relative Length

Grade

Specifications Met

Fed. Spec. GGG-W-001405

Turn Required to Ratchet

How can we improve?

1,027 Products

Fastening and Joining

Box Wrenches

Grip all sides of a fastener to prevent slipping

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)