No. 1 Square Drive bit for power driving. Hardened S2 steel with 1/4 in. hex shaft. Contains 50-piece in interlocking storage box. Interlocking boxes connect for endless storage options.
- 50-Piece square drive #1 bit tips
- For power driving #1 square drive fasteners
- Designed for use with drill drivers and magnetic bit tip holders
- Comes in a sturdy interlocking storage box for your truck and toolbox
- Interlocking boxes connect for endless storage options
- 1 in. x 1/4 in. overall dimension
- Hardened S2 steel for long life













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