Dremel Rotary tool and kit, the tool that does everything, from routing, cutting, drilling, scrapping, sharpening, cleaning, polishing, buffing, sanding, carving, engraving and so much more. Model number 300 is variable speed from 5,000 to 6,000 rpms, accodates shaft sizes 1/32, 1/16, 13/32, 1/8 inch . Has shaft lock for easy change of accessories, easy change of the many accessories included in the kit provided. A cutting guide attachment is included along with an illistrated owners instruction manual and a convenient tote box.