DESC: FEATURES: - The sharpener attaches easily to select rotary tools. - Gauge, spacers and 30º angle guides on the attachment make sharpening easy. - 1/8" shank sharpening stones with tip widths from 5/32" to 7/32". - Compatible with Models 275, 285, 395, 398, 595 and 780. INCLUDES: Sharpening Attachment Three sharpening stones: #453, #454 and #455 Gauge Two spacers Wrench Instruction manual NOTE: Rotary tool sold separately