King Scroll Saw Blades will easily handle the precise internal and external cutting of all shapes and applications These Blades are for use with most standard scroll saws on the market The universal numbering system will help you quickly cross-reference with blades you are used to using These? SWISS-made ?blades are of the finest quality and produce superior results Blades have a small pin at the end to mount into the blade holder of the scroll saw Wider and thicker than plain end and require slower cutting speeds Provides excellent straight cuts and have good chip removal Works well on hard and soft wood, pressed wood composites, MDF and plastic Always requires some sanding