Versatile and can be adapted for use in construction trades wherever non-standard shaped cutouts are needed. Perfect for electrical receptacles, water-valve holes, drains, shower knobs, etc. Vacuum brazed technology is specifically designed to provide an extended life when used on granites, engineered and natural stones, porcelain and ceramic tiles. Can be used wet or dry and fits on a high-speed trimmer tool. 2 inch usable length of diamond. Max RPM - 33,000. 1/4" Diameter.