M2.0 X 0.40Mm Pitch Full Profile Guhring I.D. Thread Lh System 104 Insert, 7Mm Reach, Nano-A Coated M2.0, 0.40Mm Pitch, 7Mm Reach Gg104.Vm02.040.07.15.L, Nano-A Coated Type Gg104 Guhring Micro-Precision System 104 Carbide Stick Insert With 4Mm Quick Change Shank For Full Profile Metric Threads. Guhring Series No. 25167 Order Code 4.002 Made In Germany, Guhring Part #9251670040020 Guhring Inc.