Made From Tuff Injection Molded Plastic. These Clips attach to any surface with 2 Pre-Drilled Counter Sunk Screw or Pop Rivet Holes. Very strong and durable. Smooth Black Finish, perfect for Radius Rods, Tie Rods 1” and 1 1/4” or Shocks 1 5/8” or 2” Body. These Clip On Very Tight So They Work Great For Pit Carts, or Mules Too!