6x6x2 Granite Check Stand Surface Plate & DIAL INDICATOR Gauge Granite Block 6'' x 6'' x 2'' Granite check block with 1'' dial indicator Easy to read 2-1/4'' (2-3/8'' overall) white face with black markings 0-1" Range dial indicator; Graduations: 001'' per line, 0.1'' per revolution Base size: 6''L x 6''W x 2''H; Unit Overall dimension: 6''L x 6''L x 10''L Flatness: .0005"; Column Length: 10"; Bar Diameter: .934"