Tooth Spacing K Value Checking Go & No Go Gauge For Bull Gear Of 107 Teeth For Wag-9/H/ Hc Locos. Size: Go: 317.09/317.17 Mm & No Go: 316.494 Mm, Reference Rdso Drawing No. Sk.Dp-3848.M Aterial: Tool Steel- Is- 3748/90, Hardness: 40/45 Hrc And Supply With Calibration Certificate. [ Warranty Pe Riod: 30 Months After The Date Of Delivery ] ]