Engineered exclusively for PT31 plasma cutter torches to optimal arc alignment and heat dissipation. Not compatible with other torch models. Package includes: 30 extended nozzles, 15 extended electrodes, 10 swirl rings, 5 ceramic Cups + 1 roller guide wheel spacer. Reduced downtime, extended nozzles (3.0mm bore) and tapered electrodes maintain stable arc up to 50A, proven to last 40% longer in 1/2inch steel cutting tests. Integrated roller, reduces torch drag by 60% (vs ) and provides consistent 0.8-1.2mm standoff for cleaner bevels on sheet metal. Color: As Shown Material: Copper Package Contents: 1set x plasma cutter guide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.