A:Product Description1, OEM carbon steel precision metal casting2, Material:St37 steel.3, Weight=1270g4, Process:precision metal casting.5, Surface:shot blasted,anti-rusty.6, Used in tractor industry.drill thread M10 through.7, Place of origin in zhenhai,Ningbo,China8, Tolerance in CT7 grade.9, Sampling in one month and production ability in 10ton per month.B:Our Service1,OEM/ODM accept.2,Small ...