This plastic pipe threading tool set has excellent performance on PVC, PPR, plastic, and MPP pipes, making it an indispensable addition to your toolbox. Dual-Function Thread Cutter:This versatile 3-piece pvc pipe threaders set includes internal and external threading tools for 1/2″, 3/4″, and 1″ PVC, PPR, and plastic pipes, streamlining your threading tasks without the need for multiple tools.