The MAKRA Concentricity and Run-Out Test Machine is used in the wheel manufacturing process to simultaneously measure the radial and planar run-out of the exterior and interior wheel bead seat. It is for use on the manufacturing floor. A compact, mobile measuring device is also available. The MAKRA Manual Radial- and Planar Run-Out Machine also tests the radial and planar run-out of wheel bead seat. A special collet system, with quick release retaining unit, is also available for these machines.