Fitment: Work for Eaton Fuller FR-series transmissions. Direct replacement to OEM p/n RR1015TR Features: 1) Used to install Front and Rear Countershaft Bearing on FR-series Transmissions 2) The proper Driver, RR1015TR, must be used or the Countershaft Bearings will be damaged during installation 3) Manufactured from heavy duty steel with black powder coating. Will provide a long-term and reliable performance Package included: 1x Bearings Driver Installer Tool .