82838 Truck Tuner by Mico-Mark (SCALE=HO) Part # MIC-82838

The Mico-Mark 82838 Truck Tuner in HO scale (Part # MIC-82838) is an excellent tool. Its extra-sharp tool-steel cutter can reshape bearings to the NMRA's recommended 60-degree contour and effectively clean out burrs and grime.

To use this truck tuner, simply take the extra-sharp cutter and carefully reshape the bearings to a 60-degree contour as recommended. This will also clean out any burrs and grime. When using it, make sure to handle it gently to avoid any damage to the bearings. After use, clean the cutter with a soft cloth. Store it in a dry place to keep it in good condition.