نظرة عامةDiamond Drill Bit Set Diamond Drill Bit Glass Tile Marble and Ceramic Hollow Core Extractor Remover Tool Set for Glass Ceramics Porcelain Ceramic Tile Marble bbr As Choice SizesDiameterAs Choice Meet most of your different needs Rustless Durable Made of high strength Carbon Steel with smooth nickel plated surface to extend the service life Quick Sharp Smooth Cut Tip Head 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 Application Drilling holes for Glass Tile Bottles Blocks Jars Fiberglass Porcelain Tile Ceramic Slate Mable Granite Light Stone Note Please keep the speed in 8001000 per minute keep adding water to keep the drill cool strictly prohibit from dry drilling Pls understand that this product contains the items as mentioned in the End Side TITLE Inside bracketsOnly these items with mentioned quantity will be deliver NoteThe Total Quantity in the Item is Exactly the Same As Mentioned in the Title in Bracket The Content Displayed in the Photos Videos are Only Meant for the Display Usage Purpose