Item Type: Hole Saw Set <br>Specification: 10PC (6,8,10,12,20,25,30,35,40,50mm) <br>Material: High quality silicon carbide <br>Purpose: Can open holes on glass, ceramic tiles and marble <br>Size: Approx. 6mm / 0.2in <br>8mm / 0.3in <br>10mm / 0.4in <br> <br>12mm / 0.5in <br>20mm / 0.8in <br>25mm / 1in <br> <br>30mm / 1.2in <br>35mm / 1.4in <br>40mm / 1.6in <br> <br>50mm / 2in <br>Size: Approx. 26cm / 10.2in <br>13cm / 5.1in <br> <br>14cm / 5.5in <br>18cm / 7.1in<br>1、Diamond hole saws in 10 sizes: 6mm, 8mm, 10mm, 12mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm are made of high&#8209;strength carbon steel, making these diamond drill bits durable. <br>2、Diamond hole saws coated with high&#8209;quality diamonds can increase the drilling speed, and can cut smoothly in a few seconds without folding edges. <br>3、Adjustable hole saw drill guide fixture with suction cup, the maximum opening length of the board is 3?1/4in, which is large enough to fit all sizes of hole saws. <br>4、2 Modes (3 or 4 bearings fixing ) are optional for you, just flip the plate, guide hole saw or drill bit to drill clear holes on tile, marble, countertop, granite, etc. <br>5、Used for drilling ceramic tile bottle, block jar, fiberglass, ceramic tile, slate marble, granite pumice<div>1 x Hole Saw&nbsp;Locator</div><div>1 x 6mm Drill Bit</div><div>1 x 8mm Drill Bit</div><div>1 x 10mm Drill Bit</div><div>1 x 12mm Drill Bit</div><div>1 x 20mm Drill Bit</div><div>1 x 25mm Drill Bit</div><div>1 x 30mm Drill Bit</div><div>1 x 35mm Drill Bit</div><div>1 x 40mm Drill Bit</div><div>1 x 50mm Drill Bit</div><div>1 x Screwdriver</div><div>1 x User Manual</div>