... chair prodction,bed cushion, sofa production, animal cages production. C Ring StapleStaple making raw material: zinc galvanized wire, copper plated wire ... , stainless steel wire etc. C ring staple model wire gauge(mm) staple height (mm) packing(pcs ... MC-6C,MC-6LNC281.8285000MC-7Tensile strength: 35-45kgThe C ring staple is used in car chair prodction,bed cushion, ...