MarForm MMQ 6100 checks roundness, circular flatness, perpendicularity, concentricity, parallelism, and coaxiality. Spindle rides on rotary stroke bearing, maintaining accuracy of ±0.035 microns without air supply. Table measures 160 mm dia; holds 44 lb; tilts ±0.6 deg; and centers ±2 mm. Flexible gooseneck gauge measures parts throughout envelope 203 mm dia x 305 mm high. Touchscreen OI runs bundled metrology software.