Material: Chrome vanadium steel / chrome vanadium steel (S2). Scope of delivery: 1 bit adapter with retaining ball | square drive 6.3 mm (1/4") | hexagon socket 6.3 mm (1/4") (Art. 8213). 1 bit adapter with retaining ball | square drive 6.3 mm (1/4") | hexagon socket 8 mm (5/16") (Art. 8251). 1 bit adapter with retaining ball | square socket 10 mm (3/8") | hexagon socket 8 mm (5/16") (Art. 292). 1 bit adapter with retaining ball | square socket 10 mm (3/8") | hexagon socket 10 mm (3/8") (Art. 291). 1 bit adapter with retaining ball | square socket 12.5 mm (1/2") | hexagon socket 10 mm (3/8") (Art. 290). 1 socket spanner adapter | inside square 6.3 mm (1/4") - outside square 10 mm (3/8") (Art. 271). 1 socket spanner adapter | square drive 10 mm (3/8") - square drive 6.3 mm (1/4") (Art. 269). 1 socket spanner adapter | square drive 10 mm (3/8") - square drive 12.5 mm (1/2") (Art. 280). 1 socket spanner adapter | square socket 12.5 mm (1/2") - square socket 10 mm (3/8") (Art. 270). 1 socket spanner adapter | square drive 12.5 mm (1/2") - square drive 20 mm (3/4") (Art. 272). 1 socket spanner adapter | square drive 20 mm (3/4") - square drive 12.5 mm (1/2") (Art. 274). 1 adapter for drills | drive external hexagon 6.3 mm (1/4") / output external square 6.3 mm (1/4") (Art. 9685-1). 1 adapter for drills | drive external hexagon 6.3 mm (1/4") / output external square 10 mm (3/8") (Art. 9685-2). 1 adapter for drills | drive external hexagon 6.3 mm (1/4") / output external square 12.5 mm (1/2") (Art. 9685-3). 1 Magnetic bit holder, extra strong | drive external hexagon 6.3 mm (1/4") | 60 mm (Art. 1727). 1 bit holder, hexagon socket drive 6.3 mm (1/4") | 60 mm.