This is a set of two replacement lower inner pivot pins for the Xray XB8-TQ off road buggy. These lower suspension pins work only for Xray #352301 Front or #353301 Rear Euros'05 XB8-TQ Suspension - Sets. Made of hardened steel, and are 4mm thick. These are the pins that attach the lower control arms to the bulkhead brace on the front and rear. This is an optional part for the XB8R off road buggy.