The JollyEvo sharpener makes for fast and very precise sharpening of saw chains. Thanks to all the possible adjustments, it can be used on all common chain types. The self-centering chain clamp keeps the chain in the correct position when sharpening. The chain tensioning rod is rotatable and can be moved from front to rear. The unit can be mounted on a wall, workbench or vice. The sharpening disk is illuminated by a bright LED light. Delivery includes 3 different sharpening discs for pitches 1/4 ", .325", 3/8 "and .404", as well as depth limiter, stripper and gauge. Weight 6.3 kg.