This 1/2", 3/4", 1" & 1-1/4" Pipe Threading Kit 5pce 868556 is an ideal addition to anyone's tools , whether it be for the garden , garage or DIY. Pipe Threading Kit 5pce. 1/2", 3/4", 1" & 1-1/4" NPT. Cast-iron die heads with 4 alloy steel chasers per head for clean, accurate thread cutting. Each die head has 4 swarf removal holes. 2-piece tubular steel handle and compact ratchet head. For threading black gas or galvanised iron pipes. Suitable lubrication is required when cutting. Includes 4 die heads: 1/2", 3/4", 1" and 1-1/4" NPT (13, 19, 25 and 32mm).