Live Center Bearing Type Quad-Bearing Design Point Style Standard Point Shank Taper Size MT4 Max Speed 5 000 RPM Shank Type - Machining Taper Head Dia 2-29/64 in Head Length 2.7800 in Point Dia 1 1/4 in Max Workpiece Weight 2 240 lb Accuracy +-0.00005 in Application Grinding Hard Turning Precision Turning