Single End Stepped Shaft, Material 1045 Carbon Steel, Diameter 7/8 in, Overall Length 6 in, System of Measurement Inch, Diameter Tolerance +/-0.0025 in, End Type Step Down, Finish Polished, Keyway Depth Not Applicable, Keyway Length Not Applicable, Keyway Width Not Applicable, Length Tolerance +/-0.0620 in, Standards ASTM A108, Step Down Diameter 5/8 in, Step Down Diameter Tolerance +/-0.0025 in, Straightness Tolerance 0.012 in/ft, Thread Size Not Applicable, Groove Spacing Not Applicable