7Pcs 6mm Dry Diamond Drill Bits Set Vacuum Brazed Core Drill Bit Kit Quick Change Hex Shank for Porcelain Granite Tile Marble

High-concerned chemical : None Brand Name : Toorise Origin : Mainland China is_d : Yes Model Number : Diamond Core Drill Bit DIY Supplies : Woodworking Material : Diamond Type : Gun Drill Bit Use : Metal Drilling Length : 65.6mm Product name : Dry Diamond Drill Bits Feature : Diamond Core Drill Bit Kit,Dry Diamond Drill Bits Set