... Ratchet Pipe Threading (T 116)Capability:1/4",3/8", 1/2",3/4",1",1.1/4"NPT or BSPT Suitable for threading black ... etc. Malleable cast iron die head with alloy steel dies, 4 Chasers per head for a clean accurate thread and ... dispersion of swarf. Packed in blow mould case and display sleeve. Contents: 1/4",3/8", 1/2",3/4",1",1.1/4" Pipe Threading