Durable construction combining practical plastic and alloy for reliable performance. Threading sizes supported: 1/2", 3/4", and 1" to fit standard pipe connections. NPT standard: Round tool set designed for NPT threaded fittings on plastic pipes. FVC plastic pipe nozzle: Included nozzle is part of the set, easy to install and use. Applications and benefits: - Create or repair NPT threads on plastic pipe systems, ideal for irrigation, water supply, and DIY plumbing projects. - Fabricate custom adapters or fittings for home workshop or small-scale construction tasks. - Quick, reliable threading in plastic pipe work without specialized equipment. Specifications at a glance: - Material: Plastic and alloy for durability - Threading standard: NPT - Sizes: 1/2", 3/4", 1" - Included: FVC plastic pipe nozzle; simple installation and operation