❶ Diamond Hole Saw is made of HIGH QUALITY NATURAL DIAMOND SAND, which is solidified by special enhanced electroplating
❷ NICKEL-PLATED DESIGN, with a diamond dust coating offers diamond hole saw a superior performance and cutting strength
❸ NO Tremor phenomenon, SMALL incision resistance and FAST hole speed, EASY chip evacuation, ensuring you a nice experince when using diamond hole saw.
❹The package comes with 15 SIZES of Diamond Hole Saw - 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm, Drilling holes for Glass, Tile Bottles, Blocks Jars, Fiber Glass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone (especially for glass AND tile)
❺ OPERATION of the Diamond Hole Saw - Start the hole diagonally, make a round braid and then hold drill straight. Water is required for lubrication when drilling.