Back Caps, spare parts for TIG welding torch, supply 41V24, 41V35, 41V33, 57Y02, 57Y04, 57Y03, 56Y44, 56Y45 1. Back caps for TIG weldingincluding long, short, medium for different kind of TIG torch2. Packing: Neutral packing3. supply 41V24, 41V35, 41V33, 57Y02, 57Y04, 57Y03, 56Y44, 56Y45 TIG Welding Back Cap