Robust universal chain sharpener, suitable for all common chain types for permanent installation. It features a powerful motor and an LED work light with a 2 x 35° scale. The grinding angle is easily adjustable via a handwheel. The chain guide bar has a variably adjustable stop, and the chain is securely fixed in place with practical clamps. Sharpening the cutting teeth is facilitated by pressing on the motor housing. The package includes a sharpening stone and two grinding discs with widths of 3.2 mm and 4.7 mm.