3.Replaceable V-pads and dies. Complete with 6 Pcs No.216884 Standard dies threads per inch - 4 5 6 7 7-1/2 8 9 10 11 11-1/2 12 14 16 18 20 and 24. 1.7402 universal outside thread chaser work on threads with diameters from 1-1/4inch to 5inch O.D. 2.This thread chaser quickly restore threads to near condition without the use of expensive thread-cutting equipment. the need for expensive thread cutting equipment. 4.Just tighten the tool slightly on the good threads, and then back off over the damaged thread area to restore the threads. 5.Quickly restore threads to near condition without the use of expensive thread-cutting equipment., Weight: 2.70727657736 pounds, Manufacturer: Tuidzljd