Featuring two-piece, industrial grade hardened tool steel tips, this 10-piece set of mixed Robertson and Phillips driver bits from Task Tools (model T67918C) offers professional quality at a DIY price. You'll be able to keep it close at hand with the convenient carabineer storage clip. This set includes one #0, one #1, three #2 bits and one #3 Robertson bits, plus one #1, two #2 and one #3 Phillips bits. Task Tools has been providing quality power tool accessories, hand tools, abrasives and worksite accessories to contractors, tradesmen and do-it-yourself enthusiasts across North America since 1968.