Diamond Hole Saw Set 15 PCS Tile Hole Saw Kit with Drill Guide from 6mm-50mm /1/4‘’- 2” for Ceramic,Glass,Porcelain,Marble

【Brazing Technology Difficult and Sharp】10 Hole Saw Bits Using Brazing Technology's additional high-quality ultra-fine diamond-coated steel body for the hole saw bits and nickel plating for corrosion resistance. The service life is 10 times longer than ordinary hole saws. 【Special Cutting Power】High quality resonance with common material hole saw, diamond drill bit, which can be used as tile drill bit, glass drill bit bottle, glass drill bit, granite drill bit for cutting. The thick stone-coated top provides excellent cutting power for high-precision, drilled sees creating a high-precision, smooth cut without cracked edges. 【Strong Suction & Accurate Positioning】Double suction cup design provides more powerful suction than a single suction cup, the purpose of firmly adsorbing on the surface without slipping, strengthens the stability, and achieves smooth drilling. Our Adjustable Hole Saw Drill Guide holds the diamond holes in place. All hole saw bits from 6mm to 50mm can fit in this guide. The pinpoint positioning system securely clamps the hole saw to prevent slipping and damaging objects caused by improper operation. 【Multiple Sizes of Diamond Hole Seeing Kit contains ten different sizes of professional diamond drill bits, including 6mm/1/4"8mm/5/16"10mm/3/8"14mm/9/16" 18mm/3/4"22mm/7/8"25mm/1"32mm/1-1/4"40mm/1-1/2"50mm/2", can meet various needs. Help with home modifications, wine bottle crafting, glass or porcelain jug modification. No matter what your previous rating will show or home miscellaneous, this is all you need. This will be your good helper.