DescriptionFor use with A type ball bushings.Available from stock and cut to length in most material types and options.Centerless ground for an industry leading cataloged surface finish of 8 Ra max.Roundness within .000080"Straight within .001" per foot cumulative when shipped from the factory.Dimension[d] Shaft, Nominal Diameter0.25 inActual Diameter0.2485 / 0.2490 inLength94 in