Irwin Phillips insert screwdriver bits engineered for use in hand-driving applications or with power tools, designed for use in insert holder with C-clip for retaining ring notch  Compact and versatile with a 1/4in hex body and made from high grade S2 Steel with a titanium coating.

Irwin Insert Bits are engineered for use in hand-driving applications or with power tools when used with the Irwin Insert Bit Holder.