Irwin 1840315 Impact Performance Series™ 33-Piece Fastener Drive Set Reciprocal Blade - Bi Metal Instant adhesion eliminates the need

Instant adhesion eliminates the need for clamps or temporary fasteners

Surface mountable for easy installation

Electronically induction hardened angled cutting edges and blade sizes

insulated/bondable neutral

Irwin 1840315 Impact Performance Series™ 33-Piece Fastener Drive Set Reciprocal Blade - Bi Metal Instant adhesion eliminates the needWhile most screwdriving bits are simply compatible with impact drills and drivers, IRWIN Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact drivers. These bits are forged* rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself IRWIN's Impact Performance Series bits have three times longer life than traditional bits.