A rare-earth magnet helps maintain a secure hold to keep fasteners firmly in place. Color-coded band makes size identification simple. Bits are specifically manufactured for use with impact drivers. Designed to drive fasteners on the side instead of the corners, reducing breakage and stripping. The 1/4" quick-change shank is designed for use in impact drivers and rotary drills. Bits are built to last, manufactured from cold-forged high-grade steel and coated with black oxide to resist corrosion.