Socket wrench set, 45 pieces in an attractive, compact plastic box. 6.3 mm (1/4') drive, made of chrome vanadium steel. Hexagonal inserts for maximum torque, lever-type reversible ratchet with quick release. 72 teeth. Contents: Hexagon inserts: 4 - 4.5 - 5 - 5.5 - 6 - 7 - 8 - 9 - 10 - 12 - 13 - 14 mm, cross insert: PH1 - PH2 - PH3 - PZ1, PZ2, PZ3, slotted insert: 4 - 5.5 - 7 mm, for TX screws T10 - T15 - T20 - T25 - T30 - T40, hexagon socket inserts 3 - 4 - 5 - 6 - 7 - 8 mm, flexible shaft 150 mm, cardan joint, extensions in 50 and 100 mm, handle 1/4', adapter 1/10,2 cm ( 4 inch ), T-handle with sliding head (1/4'), hexagon socket L-key 1.5 - 2 - 3 mm.