采用**合金结构刚制造,工作面硬度HRC58-62Made of high-qulity alloy steel、The hardness of working surfaceeaches HRC58-62平行度0.005mm/100mm,垂直度0.005mmParallelism 0.005mm/100mm spuareness 0.005mm夹持快,操作灵活。QuiCKlyo clamp and easyo operate使用精密测试和检查,精密磨削及电火发Uused for precisiomeasuremenand isectioprecusiogding、EDM and wire-cuing machine在工作时无论横立、坚立、平放皆可保持高的精度