Irwin Assorted Impact Bit Drawer Set 31 Pc.
These impact insert bits are built for maximum durability and long life with impact drivers. They are forged bit (vs. milled) for superior fitments, which reduces stripping and increases life of bit 3X (Square and Phillips bits only).
Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output
Black oxide finish resists corrosion and increases life of bit
1/4 In. shank diameter
1 In. to 3 In. overall length
Easy-to-use sliding latch design keeps case securely closed when not in use
Case holds 30 1-in insert bits and a bit holder