The Wheeler Engineering 21 piece screwdriver professional gunsmith upgrade set is the perfect stand alone set, but it also makes a nice addition to an existing set. This firearm specific set is exactly what you need to get those specific firearms related jobs done. The bits themselves are made from S2 tool steel and hardened to 56-58 Rockwell C. Pick up this great set and add it to your work bench today.

Wheeler Engineering 954671
Great addition to the 72 or 89 piece Screwdriver Sets
Hollow ground flat bits
Durable S2 tool steel
Features plastic storage tray

Includes:
½" x ¼" socket driver
2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 4.5mm 5mm, 5.5mm, 6mm, 7mm, and 8mm Hex Bits
T6, T7, T8, T9, T10, T15, T20, T27, T30 Torx Bit