Useful for your in-home projects, each of these Slice 10519 Ceramic Craft Blades has a straight-edge with a pointed tip that makes it ideal for many cutting jobs. The zirconium oxide ceramic blade has a finger-friendly single edge, which is sharp for materials, but resistant to cutting skin, and the pointed tip helps to initiate a cut. The blades are non-conductive, non-magnetic, non-sparking, and chemically inert, so they will never rust. These oil- and lubricant-free blades are compatible with the 10548, 10589, 10580, and 10568 handles.