Product Description 517-899 Mitutoyo Precision Granite Stand 8 x 12 x 24³ The Mitutoyo517-899Precision Granite Stand has the following specifications: Base: 8 x 12³ Column Height: 24³ Column Diameter: 1.181³ Throat Clearance: 5.8³ Table Flatness: .0001³ Table Thickness: 2³ Weight: 35 lbs Features: Mitutoyos Granite Comparator Stands are basic building blocks for the assembly of special purpose, precision measuring equipment. By mounting precision measuring instruments such as Digimatic indicators, Mu-Checker Cartridge Heads and Linear Gages on the stands, it is possible to satisfy all manners of measuring assignment. The rigid granite base is free from burrs, pileups and rust, thereby preventing deterioration over time. Precision Granite Stands