McMaster 4526A13 Handheld Grinding Wheel Dresser with Spiral Cutters, 2 3 8" Head Width, for Smooth Surface B44 PPP Clean Removal Time Not PPP Clean Removal Time Not Rated Tape Shape Circle Number of Tabs per Roll 250 Series 233+ Type Circles on A Roll Tape Adhesive Strength 38 oz in Max Single Wall construction They have one piece cutters that are formed in a continuous spiral for smoother cutting and finer finishes than spur cutters Grinding Wheel Dresser Type Handheld Cutter Type Spiral Cutter Material Steel Head Width 2 3 8" Cutter Width 1 1 16" Overall Length 11 1 8" For Maximum Wheel Thickness 2" For Surface Texture Smooth For Abrasive Bond Material Vitrified Clay For Use With Bench Grinder Wheels