A special drift punch tool Set also includes a special drift punch tool to help extract the damaged fastener from the socket. Easy to remove These sockets grip lock nuts that threaded or wedge style sockets can't touch. Will remove virtually every lock nut on the market. Durable The specially hardened sockets with corrosion protection are specially designed for the removal of damaged nuts and locking wheel nuts. Scope of application Suitable for use with Impact , Air Ratchets, Breaker Bars, Reversible Ratchets, Spanners etc. Size: As the picture show. Net weight:500g Color: blue + black Material: plastic + steel Package: 1* Screw extractor set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.