made of high- quality alloy steel . parallelism 0.005mm/100mm,suqareness 0.005mm. the hardness of working surface is hrc58-62 and precision ground to a mirror finish.
it have interchangeable base,fixed / movable jawsit is quickly to clamp and easy to operate. It is widely used on machining center and other precision machine tools.

SPECIFICATION:
MODEL                            B(MM)                    H(MM)                         SMAX(MM)                L(MM)           Clamping force(kg)                 
GT100-I                            100                         30                                  100                            270                 3000
GT125-I                            125                         40                                  125                            345                 3000
GT150A-I                          150                         50                                  200                            420                 5000
GT150B-I                          150                         50                                   300                            520                5000
GT175A-I                          175                         60                                  200                            455                 6000
GT175B-I                          175                         60                                  300                             555                6000