✎ Clamp Range : 0-60mm ✎ Special device that allows the measurement to be fixed while measuring the disc thickness in different locations , suitable for accurate measurement of brake disc thickness ✎ alloy can be used for a long time and not easy to rust ✎ Floating jaw assembly enables easy removal of calliper from disc while retaining reading ✎ You can use these smooth moving vernier slider for fast measurement compact and easy to use.Lightweight and you can carry it to everywhere, Manufacturer: Watreketal