Diamond Glass Bit Guide with 1 Suction Holder

Diamond Glass Bit Guide with 1 Suction HolderGood Material-Diamond hole saw is made of carbon steel and coated with nickel to resist corrosion. Diamond drill bit creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.Sdjustable drill guide-No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide with suction cup.