Abstract: The present invention relates to a protection device for an end piece of a shaft, in particular a power take-off shaft protection for a work machine. The protection device comprises a cover which is pivotally mounted to a base member, wherein both the cover and the base member are made of plastic material. Moreover, the cover is pivoting about a pivot axis from a home position with respect to the base member into various protective positions toward the work machine and away from the same. The respective protective positions are determined and stably held by a lock mechanism at the protection device.