Versatile Diamond Drill Bit Kit for Tile Glass Ceramic Marble Granite

16PCS Diamond Drill Bits Diamond Hole Saw Kit 6-50mm with Guide for Tile Glass Ceramic Marble Granite Features: Practical hole saws kit is made of high-quality diamond with diamond plating process on edging which has high hardness and nice cutting ability for high accuracy and smooth cutting. Wide hole design on drill bit facilitates entry of cooling water and removal of chips or other particles which ensures smooth drilling and prolongs lifespan of drill bit. Includes 15 different sizes of drill bits: 50mm/1.97 40mm/1.57 30mm/1.18 28mm/1.10 26mm/1.02 25mm/0.98 22mm/0.86 20mm/0.78 18mm/0.7 16mm/0.62 14mm/0.55 12mm/0.47 10mm/0.39 8mm/0.31 6mm/0.23 . It comes with an adjustable hole saws bit guide with suction cups and 4 bearings which holds diamond bit firmly in place during drilling process. Wide application and with strong practicality this diamond hole saws bit is perfect for tile glass ceramic marble granite and other materials. Specifications: Color: Silver Material: Diamond Bit Size: 50mm/1.97 40mm/1.57 30mm/1.18 28mm/1.10 26mm/1.02 25mm/0.98 22mm/0.86 20mm/0.78 18mm/0.7 16mm/0.62 14mm/0.55 12mm/0.47 10mm/0.39 8mm/0.31 6mm/0.23 Guide Size: 200 * 150mm/ 7.9 * 5.9in Package Size: 225 * 155 * 125mm/ 8.9 * 6.1 * 4.9in Package Weight: 798g/ 28.1oz Packing List: 15 * Drill Bits 1 * Guide