Titan High Performance Bit Set - 31 Piece features a 31 piece high performance color coded bit set. It has an arched, folding storage case for easy access. It has anodized, color coded bits and a quick-release bit holder. The bit sizes include: tamper resistant torx - T9, T10, T15, T20, T25, T27, T30, T40. Phillips - 1, 2, 3, 4. Slotted - 1/8 inch, 5/32 inch, 3/16 inch, 1/4 inch. square - S1, S2, S3 tamper resistant metric hex: 1.5, 2, 2.5, 3, 4, 5, 6 millimeter and spanner - 4, 6, 8, 10.