The Black & Decker KS777K is a variable speed 520 watt Jigsaw. The variable speed improves the quality of cut through various materials & tasks & the tool-free universal blade clamp accepts both U & T shank blades. The integral dust management system provides a dust blow feature & dust extraction & the Sightline channel gives better views of the line of cut & improves accuracy. The jigsaw has a magnetic on-board blade storage for quick & easy access to spare blades, accurate preset bevelling shoe adjustments for the common bevelling angles & a lock-on switch for increased comfort during prolonged cutting. The KS777K is a multi-purpose jigsaw capable of all DIY tasks. It is suitable for all wood, metal & plastic materials with slow-start feature, fast cutting, scroll cutting, bevelled shoe cutting & plunge cutting.