
These bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out. Power groove designed for compatibility with IRWIN Impact Performance Series Magnetic Screw-Hold Attachment. Irwin impact performance Series fastener drive bits are engineered for maximum durability and long life with impact drivers.
. Built for maximum durability and long life with impact drivers. Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output. They're designed with a 1/4" quick-change shank, so they work with all types of impact and rotary drivers. Plus, they also have a unique power groove design for use with the exclusive IRWIN Magnetic Collar Attachment, which prevents fasteners from slipping and wobbling.
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IRWIN Tools 1899929 Impact Performance Series Insert Bit Set, Assorted Slotted, 1-Inch Length, 10-Piece

. Irwin impact performance Series fastener drive bits are engineered for maximum durability and long life with impact drivers. These bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out. Black oxide finish resists corrosion and increases life of bit.
Built for maximum durability and long life with impact drivers. Plus, a black oxide finish resists corrosion and increases the life of the bit.
IRWIN Tools 1899884 Impact Performance Series Insert Bit Set, Assorted Slotted, 1-Inch Length, 8-Pack

Manufactured with heavy-duty, cold-forged, high-grade steel to withstand high torque output. Manufactured with heavy-duty, cold-forged, high-grade steel, they'll withstand extremely high torque output. Irwin impact performance Series fastener drive bits are engineered for maximum durability and long life with impact drivers.
Built for maximum durability and long life with impact drivers. Black oxide finish resists corrosion and increases life of bit. 1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks. 1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks.
These bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out. Precision tip geometry delivers superior fitment, reducing stripping and cam-out. Built for maximum durability and long life with impact drivers.