The Rothenberger Super Cut Ratchet Threader Set includes sizes 1/2", 3/4", 1", and 1-1/4" NPT, making it an essential tool for creating precise threads on pipes. This set is designed for efficiency, featuring a ratchet mechanism that allows for easy threading in tight spaces. Constructed from high-quality materials, it ensures durability and long-lasting performance. The set is compliant with industry standards, making it suitable for professional plumbing and HVAC applications. Ideal for both experienced tradespeople and DIY enthusiasts, this threader set enhances productivity and accuracy.