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Material | Treatment | Surface | |
Body | Cabon steel | heated | zinc plated, black oxide, bright chrome plated |
Alloy steel | heated | ||
Stainless steel | passivate | polishing | |
Ball | 52100 | heated | hard chrome plated |
Stainless steel | heated | or hard chrome plated | |
Liner (optional) | PTFE fabric | bonding |