Feature:1. Ceramic + Copper: Plasma cutting consumables are made of ceramics and copper are durable and high temperature resistant.2. Perfect Substitute: This is a perfect substitute, easy to replace, and complete the cutting project more smoothly.3. Application: Suitable for Stahlwerk CT312, CUT50, ACDC TIG200 plasma, CT520, CT512P and PT?31 welding guns.4. Good Welding Performance: Good welding performance, providing high quality strength and durability.5. Easy to Use: This is an easy to use plasma cutting consumable, suitable for plasma cutting machine.Specification:Item Type: Plasma Cutting ConsumablesMaterial: Ceramic, Copper Name Length(Approx.) Quantity PT31XL Extended Nozzle 16mm / 0.63in 20 PT31XL Extended Electrode 37mm / 1.46in 20 PT31 Ceramic Protective Cover 30mm / 1.18in 5 PT31 Ceramic Swirl Ring 6mm / 0.24in 20 Package List:20 x Nozzle20 x Electrode5 x Protective Cover20 x Swirl RingNote:Please match the appropriate size before use