We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Gray Tools

Gray Tools 66943 43mm 12-Point Striking Face Box Wrench 45° Offset

SKU CH-1YW1-HVJNE

43mm 12-point striking face box wrench with 45° offset head, forged premium tool steel and black oxide finish, meets ANSI standards

  • 43 mm 12-point opening fits large fasteners precisely
  • 45° offset head clears obstacles in tight spaces
  • Large striking block transfers hammer force safely
  • Black oxide finish resists corrosion for longer life
  • Forged premium tool steel meets ANSI standards

43mm 12-Point Striking Wrench

The Gray Tools 66943 is a 43mm hand wrench with a 12-point box end and a 45° offset head. It is forged from premium tool steel and finished with corrosion-resistant black oxide. A large striking block is designed for maximum safety and surface contact when impact force is applied. The broached opening provides a tight, secure fit on fasteners.

Mechanics needing impact-driven turning

This wrench suits technicians who must loosen or tighten large fasteners using a hammer or mallet on the striking face. The offset head clears obstructions that block a straight tool. It is not for buyers who need a ratcheting mechanism or a thin-profile wrench for tight clearances without striking. Users requiring an open-end or adjustable design should look elsewhere.

Simple striking-face operation

Place the 12-point box over the fastener, seat the tool fully, and strike the large block squarely with a suitable hammer. The 45° angle helps position the swing in confined areas. The most common issue is damage to the fastener or tool if the wrench slips off-center during impact, so ensure full engagement before striking.

Highlights

  • 43 mm 12-point opening fits large fasteners precisely
  • 45° offset head clears obstacles in tight spaces
  • Large striking block transfers hammer force safely
  • Black oxide finish resists corrosion for longer life
  • Forged premium tool steel meets ANSI standards

Specifications

BrandGRAY TOOLS

Questions about this item

What size fastener does the 43mm 12-point opening fit?

The 43mm 12-point opening fits a 43mm hex fastener, providing a tight and secure fit.

How does the 45° offset head help when working near older fasteners?

The 45° offset head provides clearance for knuckles and obstructions, allowing the striking face to contact stubborn or corroded fasteners squarely.

How can I verify the wrench meets ANSI standards after purchase?

The wrench is forged from premium tool steel with a corrosion-resistant black oxide finish and precision broaching, manufactured to meet ANSI standards.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.