WEBER SUPPLY
Apex Tool Group · Armstrong
Armstrong 12-921 Drive Extension
1/2 in Square Drive, 2-1/2 in OAL
- Stock #
- 3A0412O1
- MFG Part #
- 12-921
- Manufacturer
- Apex Tool Group
Armstrong Drive Extension, Measurement System: Imperial, Square Drive, 1/2 in Drive, 2-1/2 in Overall Length, Cold Formed Steel, Polished Chrome
- Knurling on the extension shaft provides a non-slip grip to quickly run down/remove fasteners
Standards & approvals
- ASME B107.10M
- US Federal Specification GGG-W-641E