Carbide tyre stud for Bicycles,Scooters,Auto,Truck,Forklift,Off-Road Vehicle etc: --easy to install & remove Carbide tyre stud for Bicycles,Scooters,Auto,Truck,Forklift,Off-Road Vehicle etc: Carbide tyre stud for Bicycles,Scooters,Auto,Truck,Forklift,Off-Road Vehicle etc: Length(H)11 +/-0.15 mmHead Diameter(D)8 +/-0.2 mmShaft Diameter (D1)2.3 +/- 0.15mmWeight(g) ColorSliver, gold, blueSurfaceZinc ...