Round Linear Shafting; Shaft Type: Standard; Diameter (mm): 6.3500; Diameter (Decimal Inch): 0.2500; Diameter (Inch, Fraction): 1/4; Shaft Diameter: 6.350; Shaft Diameter: 0.2500; Material: Steel; Length (Inch): 10; Minimum Diameter Tolerance: 6.3246 mm