??QUALITY IRON? Our hole saw for glass drill bit could reduce friction from the drill bit and plastic hole during operation. With strong Suction Base Thicken rubber, hole saw for glass drill bit set is more durable.
??MULITPLE SIZES?Applicable from 4-12mm holes. Sets come with multiple sizes from 4mm-12mm. This glass drill bits totally 6pcs. Diamond hole saw : 4mm,5mm,6mm, 8mm,10mm,12mm. This kit also comes with two bonus marker pens.
??GOOD DRILL BITS?These diamond hole cutter drill bits are upgrade. Thicken opening coated with emery, smooth nickel plating surface to resist corrosion. This processing effect will enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges in seconds.
??UNIQUE CUTTING DESIGN?High precision, smooth cut with no broken edge and with large clearance hole, this diamond drill bits do a good job on drill holes on glass. Drilling holes for Glass, Tile Bottles, Blocks Jars, Fiber Glass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone and so much more.
??QUALITY AFTER-SALE SERVICE?If you do not satisfy with our products or if you have any questions, please come to us, we would reply you within 12hours. We will solve all the problems to your satisfaction. FREE REPLACEMENT within 90days.