Pre-Drilled Linear Shaft Support Rail, System of Measurement Inch, Overall Length 24 in, Material Aluminum, Finish Unfinished, Mounting Surface to Shaft Center 1.125 in, Overall Width 1.5 in, Overall Height Not Applicable, Mystery Dimension 1.375 in, Thread Size 0.17 in, Mounting Hole Center to Center 4 in, Mounting Hole Center to Shaft End 2 in, Base Height 0.19 in, Profile Type Standard Profile, Bolt Size #6, For Use With 60 Case Shafts, Mounting Hole Size 0.169. This item has been restricted from sale in the following state (s): []