Hardin HHP+SET Hydro-Handle Glass Tile Concrete Wet Diamond Core Drill Bit Hole Saw Set Cordless Drill Adapter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Drill most material with diamond bits in kit; 1/4"， 5/16"， 3/8"， 1/2"， 3/4"， 1"， 1-3/8"， 1-1/2"， 2"</li><li>Shape edges of tile， granite， marble and stone with vacuum brazed profile wheels (sold separately)</li><li>Polish tile， marble， porcelain， glass and stone with 3" diamond polishing pads (not included)</li><li>With pads (not included) effectively remove hard water on shower doors， windows and glass on boats</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51MoWW-qUNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/418dsLnV5GL.jpg" noproxy>