New Dremel Chain Saw Sharpening Kit number 1453 Quickly and easily use your Dremel rotary tool to sharpen dull, slow-cutting chain saw blades. Includes three different sharpening stone sizes to fit most blades. For areas without convenient access to electricity, Dremel recommends using this attachment with the 10.8V Lithium-ion Cordless rotary tool DOES NOT INCLUDE ROTARY TOOL OR CHAIN SAW ONLY SHARPENING KIT The sharpener attaches easily to most rotary tools Enclosed gauge, spacers and 30¼ angle guide assures custom fit to most chain saws Three sizes of sharpening stones fit most blade sizes Includes Chain Saw Sharpening Attachment 453 5/32" Sharpening stone 454 3/16" Sharpening stone 455 7/32" Sharpening stone Gauge Spacers Wrench Instructions