The bosch gef 7 e professional is the handy electric file for difficult to reach areas it boasts optimum handling and the slimmest grip circumference in its class as well as tool free sanding paper changes and tool free adjustment of your working angle there is a speed pre selection so you can always find the right speed no matter what material you are working with it comes with a range of features such as direct cooling and soft start this tool includes an auxiliary handle l boxx sanding