The Draper 22498 is suitable for threading black gas or galvanised iron pipes. This kit includes four dieheads, two-piece tubular steel handle and compact ractchet head, with the compact ratchet head, suitable when working close to walls. The cast iron dieheads with alloy steel dies, have four chasers per head for a clean accurate thread, and four waste holes for quick sipersion of swarf. The set comes complete in a carry case for easy transportation.