Dagger- forst tools ltd, a part of yash birla group manufactures a range of high precision cutting tools. As part of that, the company offers spline gauges. This is specially designed and developed for fast and precise inspection of internal & external spline. The spline or serration plug gauges that check internal spline or serration is available in dia from 6 mm to max 180 mm with 60 mm profile length. The spline & serration ring gauges that check external splines are available in dia. From 19 mm-dia 130 mm with 25mm profile length. These are fabricated from sae o1/o2 for high stability.