All IRWIN fastener drive bits are manufactured from industrial grade tool steel and tested to meet the highest standards for hardness and torque.
Includes long power bits, square socket adapters and quick change bit holders
All included in a blow molded case
3-1/2" in. Power Bits: #2 Phillips, #3 Phillips, #2 POZIDRIV, TORX T15, T20; 6" in. Power Bits: #1 Phillips, #2 Phillips, TORX T20, T25, T27, T30; 2" in. Socket Adapters: 1/4" in., and 3/8""; Plus 5/16" in. Magnetic Nutsetter x 1-7/8" in., 2-1/2" in. Quick Change Chuck, and 6" in. Quick Change Extension.