Riten Live Center, Type IV Spring Loaded, Series: Concentric, Morse Tapered Shank, #4 Taper, 580 lb Maximum Workpiece Weight, Long Point, 0.686 in Point Dia, 0.7 in Point Length, 1.38 in Head Length, 2000 rpm Maximum, 60 deg Included Angle, Hardened Tool Steel, +/-0.0001 in Accuracy