The present invention relates to a mulching device (10), in particular for forestry purposes and can be fastened on a carrier vehicle. The apparatus has a rotor arranged transversely with respect to a working direction (12), of a longitudinal axis (13) and an at least substantially cylindrical circumferential surface (32) comprises. The circumferential surface demountably fastened carries a plurality of tools (34), each of which a parallel to the longitudinal axis extending fastening bore (46) or fastening the contact surface (48) have. On the peripheral surface (32) is a holder (36; 36 '') to the rigid attachment of the tools (34) demountably fastened on the peripheral surface (32) mounted. In each case two adjacent holders (36; 36 '') is one of the tools (34) demountably fastened detachably with the aid of a preferably bolts - or screw-like fastening element (38, 42) is fastened, which extends through the fastening bore (46) of the demountably fastened tool (34) extends through and / or on its attachment contact surface (48) is applied. This construction reduces the wear of the holding device, when the tool demountably fastened completely or partially of impact on a hard object breaks off.
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