Material:Gc15,Ball surface polished,Hard chrome plated. Heat treatment: HRC 58-64 Stainless steel 440c are optional. Can custom made per customer's request.

Material:AISI 52100 bearing steel,Ball surface polished.With or without hard chrome plating are optional. Heat treatment: HRC 58-64 Stainless steel 440c are optional. Can custom made per customer's request.

Material:AISI 52100 bearing steel,,ball surface polished.with or without hard chrome plating are optional. Heat treatment: HRC 58-64 Stainless steel 440c are optional. Can custom made per customer's request.

Material:AISI 52100 bearing steel,Ball surface polished.With or without hard chrome plating are optional. Heat treatment: HRC 58-64 Stainless steel 440c are optional. Can custom made per customer's request.

Material:AISI 52100 bearing steel,Ball surface polished.With or without hard chrome plating are optional. Heat treatment: HRC 58-64 Stainless steel 440c are optional. Can custom made per customer's request.