Xaiv qhov zoo tshaj plaws haum rau koj daim ntawv thov nrog peb Metric Poj Niam 24 ° Cone O-Ring LT haum.Muaj nyob rau hauv ntau qhov tiav, suav nrog zinc, Zn-Ni, Cr3, thiab Cr6 plating, thiab lwm yam ntaub ntawv xws li stainless hlau, carbon hlau, thiab tooj dag.