Material:Brass,Plastic Applied:Hit and Miss Engine,Motor,Tractor,Lathe Mill Thread:1/8", 1/4", 3/8", 1/2" BSP Male Thread Outer Diameter:1", 1-1/4", 2", 2-1/2", 3", 4" Each bid for 1 PC! NOTE: We also have other relevant products, please feel free to contact us!