Venom Torque Block. Great for DH, Slalom, LDP, Push, Surf SK8, & more. Instructions, make sure you have a clean deck. Peel off the glue back. Add to the tail or side rails for a gas point ,press down to stick. Cut and shape add grip tape. Tool are needed. razor blade, knife, file or sand paper or end cut grip tape to round off edges. Made out of closed cell firm neoprene rubber, light weight.