Feature: MT2 0.001 CNC Precision Long Spindle Lathe Live Center Taper Tool Perfectly designed for high-speed lathe and CNC lathe to achieve high precision Triple ball bearing design with extended long spindle and CNC point to enhance grinding wheel clearance Made of high quality steel, sturdy and high abrasion resistance Shaft made of alloy steel through heat treatment for high rigidity and durability Name: MT2 Taper Live Center Triple Bearing Axis: T10 Steel, Quenching hardness: 55-60 HRC Main part: 40CR Steel, Quenching hardness: 45-50 HRC Shank Diameter: 13.7 mm / 0.54 inch Dimension: 138 x 39 mm / 5.43 x 1.54 inch Accuracy: 0.001 Max RPM: 5000 After treatment hardness: HRC 60 2 Material: Steel Color: Silver Package Contents: 1 x Lathe Live Center Taper Tool Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowance is +/- 1-3 cm.