0035 in, End Type Keyed, Finish Polished, Keyway Depth 1/4 in, Keyway Length 60 in, Keyway Width 1/2 in, Length Tolerance +/-0.0000/-0.0620 in, Standards ASTM A311, Step Down Diameter Not Applicable, Step Down Diameter Tolerance Not Applicable, Straightness Tolerance 0.