... various size cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... Length(H)10mm 11mm 12mm 13mm 15 mmHead ... coatedDetails of material of tungsten carbide tire studs in car for Motorcycle, ATV, Farm, Tractor: GRADECoHcDenRSHV30GRAIN SIZEJX0197.5 ... is welcomed.cenmented carbide tire studs for motocycle,bikes,truck,car,tractor... carrbide punch pin:We produce different sizes ...