Size: Overall live center length with #1 Morse Taper arbor is 4-1/4", Cone is 1-1/4" diameter by 2" long Application: Precision ball bearings for smooth, balanced turning. Ideal for many turn-between-center woodturning projects Note: Place rear taper end on the tail stock and the opposite end in the center drill hole; We recommend applying lubrication oil to bearing prior to each use (not included) Sturdy: Alloy steel shaft construction for ultimate strength and longevity that can easily handle a maximum 4,000 RPM and maximum 66-pound workpiece load Packing： Shipped in Protective case for storage