Impact Performance Series Fastener Driver #1 Square, Power Bit, 4-inch, 1-piece
Irwin® Impact Performance Series™ fastener drive bits are engineered for maximum durability and long life with impact drivers. Insert and power bits are designed with precision tip geometry so they fit fasteners more precisely, which reduces stripping and cam-out. Insert bits fit...
• Engineered for maximum durability and long life
• Designed to reduce stripping and cam-out
• Fits 1/4" quick-change driver adapters