1.Made of high-quality 20CrMnTi alloy steel.
2.The hardness of working surface reaches HRC58-62
3.Parallelism 0.005mm/100mm, squareness 0.005mm.
4.Quickly to clamp and easy to operate
5.Used for precision measurement and in spection presision grinding,EDM and wire-cutting machine
6.Guarantee high accuracy in any position