M3.0 X 0.50Mm Pitch Full Profile Guhring I.D. Thread Rh System 104 Insert, 7Mm Reach, Uncoated M3.0, 0.50Mm Pitch, 7Mm Reach Gg104.Vm03.050.07.24.R, Uncoated Type Gg104 Guhring Micro-Precision System 104 Carbide Stick Insert With 4Mm Quick Change Shank For Full Profile Metric Threads. Guhring Series No. 25170 Order Code 4.005 Made In Germany, Guhring Part #9251700040050 Guhring Inc.