24Tpi Full Profile Guhring Whitworth I.D. Thread Rh System 104 Insert, 17Mm Reach, Uncoated 24Tpi, 17Mm Reach, Right Hand Gg104.Vw24.106.17.33.R, Uncoated Type Gg104 Guhring Micro-Precision System 104 Carbide Stick Insert With 4Mm Quick Change Shank For Full Profile Whitworth Pipe Threads. Guhring Series No. 25186 Order Code 4.003 Made In Germany, Guhring Part #9251860040030 Guhring Inc.