15 SIZES diamond drill bits meet most of your different needs.
RUSTLESS & HIGH-QUALITY: Made of high strength Carbon Steel with smooth nickel plating surface to extend the service life and offers superior performance.
QUICK, SHARP & SMOOTH Cut: Coated with high quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds.
EASY TO USE: OPERATION- Start the hole diagonally, make a round braid and then hold drill straight. Water is required for lubrication when drilling
Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone.