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Aqua powder-coated 1/2 inch drive torque extension bar, 140 ft-lb limit

Steelman

Steelman 50094A 1/2 inch drive aqua 140 ft-lb torque extension

SKU CH-88S7-9B5EG

An 8-inch torque stick flexes at 140 ft-lb to protect wheels and brake rotors from overtightening damage

  • Product colorTransparent
  • Limits torque to 140 ft-lb to prevent overtightening
  • Flexes under excess load to protect studs and rotors
  • Chrome molybdenum steel construction resists deformation
  • Aqua powder coat enables quick identification in toolbox
  • 8-inch length suits 1/2 inch drive impact wrenches

Steelman 50094A torque extension

The Steelman 50094A is a 1/2 inch drive torque extension calibrated to 140 ft-lb. It protects wheels, studs, and brake rotors from overtightening damage during impact wrench use. Automotive technicians and DIY mechanics use it to prevent sheared bolts and warped rotors.

Sustained impact behaviour

Under repeated impact wrench cycles the extension flexes once the 140 ft-lb threshold is reached, absorbing excess energy rather than transmitting it to the fastener. The chromoly steel construction maintains this limiting behaviour across multiple wheel changes without permanent deformation. It continues to function as a reliable torque limiter during extended shop sessions.

Installation and common issues

The extension fits directly between a 1/2 inch impact wrench anvil and a standard socket, requiring no special adapters. Its aqua powder coat makes identification quick in a busy toolbox. The main limitation is the fixed 140 ft-lb rating; vehicles requiring higher or lower torque specs need a different extension. California Proposition 65 warnings apply to this product.

How it compares

Measured against everything we stock in Ratchets, Sockets & Drive Tools, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 65% of the 418 comparable items (median $20.99).

Specifications

Product
Brand nameSTEELMAN
Product colorTransparent

Questions about this item

Will the aqua 140 ft-lb torque extension heat up or vibrate noticeably during a full day of wheel changes?

The Chromoly steel flexes to absorb excess impact rather than generating heat, so the extension stays cool and vibration remains low even with continuous use.

What drive size impact wrench do I need to use the 1/2 inch drive torque extension?

A 1/2 inch drive electric or pneumatic impact wrench is required; the extension mates directly to that square drive.

Can I keep using my existing 1/2 inch drive sockets with the 50094A torque extension?

Yes, the 1/2 inch drive on the extension accepts any standard 1/2 inch drive socket you already own.

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