K7806M 1/2" deep impact sockets 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 21 mm, 22 mm, 24 mm, 27 mm.To be used with machines.For maximum safety use clamping springs.Phosphate finish.High-performance alloy steel.Dynamic-Drive™ Profile to protect nuts, screws and tools from unnecessary wear and damage.Drive standard: DIN 3121-G 12.5 ISO 1174.Case with two-component handle, 3-piece removable plastic box