Mibro 437961 7 Piece Power Bit SetMibro 437961 7 Piece Power Bit Set Features: For general purpose use industrial screwdriver bits are made from a specially hardened alloy steel for use with a power drill 7 piece set includes #1 and #2 Phillips, #1, #2, and #3 Square Recess, and #6-8 Slotted bits 1" length Carded