A 30pc Bit Set & Bit Driver in an innovative triangular case Chrome Vanadium bits Flat 35 45 55 6 8mm Hex 2 25 3 4 5 6 8 Star T9 T10 T15 T20 T25 T27 T30 T40 Philips Ph 0 Ph 1 Ph 2 Ph 3 Pz Drive Pz 0 Pz 1 Pz 2 Pz 3 plus Square Robinson 12 Sold in multiples of 12