Hand wheel, especially for initiating a rotational movement in the holder of a roller file

摘要

In order to increase the grip of a hand wheel (4) which is especially intended for a roller file, said hand wheel consists of a base body (6), an outer shell (9) and a rubber-elastic insert (12) disposed between the base body (6) and the outer shell (9). Said insert is provided with protuberances (11) which jut out in the outer shell (9).