Alfa Tools HSB66721 Compact Holder Insert Set (7 Piece) Screwdriver Insert Bit 7-piece Dial-A-Bit Kit Contains 1 each: #1,#2,#3 by 1-inch Overall Length Phillips Insert Bits Contains 1 each: 6-8,8-10,10-12 by 1-inch Slotted Insert Bits 2-5/8-inch Magnetic Insert Bit Holder, Plastic Storage Case with dial lid to release individual Bits Plastic Storage Case with dial lid to release individual Bits - Bulk