1/4 (6.35 mm) SQ. Socket Set, 19 Pack Set Contents: 108P Plus Bits 1, 2, 3 108S Slotted Bits 4, 5, 6 108H Hex Bit 3, 4, 5, 6 108T Torx Bit T10, T15, T20, T25, T27, T30 Accessories: 2753PS, 2769N-150, 2137