Material:65MnPrecision:0.005mm-0.008mmclamping range:6mm-38mmStandard:DIN6499BUsage:be assembled into the clamping nut before inserting into the chuckColor:shiny firishHolder:cnc collet chuckHardness:HRC58-62Color:shiny firishHolder:cnc collet chuckHardness:HRC58-62Show More