Fitment: Ratchet Pipe Threader Kit Replacement 3/8″ Dies Heavy Duty Description： Precision Fit: Includes one 3/8-inch (9.52 mm) die head, perfectly suited for replacing parts in various ratchet pipe threader kits, especially compatible with Ratchet Pipe Threader Kits. Durable & Sturdy: Made of high-quality malleable cast iron, this die head is designed for durability and long-lasting wear resistance, making it an essential tool for construction, pipeline, and equipment installation industries. Efficient Threading: Simplifies the threading of galvanized and iron pipes, providing clean, precise threads quickly and efficiently. Not suitable for threading stainless steel pipes. .