holder (1) for a grinding or polishing disc (2),Having a floor (3) and an outer edge (33) of the floor (3) angular supporting elements (4) for the partial mounting of a coat surface (26) of the grinding or polishing disc (2),characterized by the fact that the supporting elements (4) are formed as parallel bent teeth (41), the base of which forms an outer edge (33) of the ground (3), the ground (3) being bendable from a stable first bent position to at least a metastable second position, where by bending the floor (3) the angle of the teeth (41) is such that in the first curved position of the floor (3) the grinding or polishing disc (2) is held by the teeth (41) and in the second curved position of the floor (3) the grinding or polishing disc (2) is released from the teeth (41).
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