This Weldmark by Metal Man Workgear swirl ring is ideal for standard duty industrial applications like cutting electrically conductive metals, with an output range of 15-80 amps. Compatible with hand plasma torch series like S25, S25K, S35K, S45, and S65. Made of Dupont® Vespel®, and measures 0.5 x 0.5 x 0.125 in. Requires use of compressed air. Prop65 Warning: This product may contain materials known to cause cancer or reproductive harm. Made in Italy.