• K7801VM 1/2" impact sockets 17 mm, 19 mm, 22 mm, 24 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 • In sheet metal box • Drive standard: DIN 3121-G 12.5 ISO 1174