Socket Wrench Set, 1/4", 1/2" Content: 13x 1/2" hexagon inserts: 10, 11, 12, 13, 14, 15, 17, 19, 22, 24, 27, 30, 32 mm 11x 1/4" hexagon inserts: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 13 mm 1x 1/2" reversible ratchet 2x 1/2" spark plug inserts: 16, 21 mm 2x 1/2" extensions: 125, 250 mm 1x 1/2" to 3/8" adapter 1x 1/2" universal joint 1x 1/4" reversible ratchet 1x 1/4" screwdriver handle 1x 1/4" sliding T-handle 1x 1/4" universal joint 1x 1/4" extension: 100 mm 3x hexagon wrenches: 1.5, 2, 2.5 mm 17x 1/4" bits: Pozidriv 1, 2 Phillips 1, 2, 3 Slotted 5.5, 7 mm Torx T10, T15, T20, T25, T30 Hexagon socket 3, 4, 5, 6