Key FeaturesPlease add water for coolant and slowlyStart at to surface and to 90 Degree as hole formsNever use s while machine is in hammer actionHoles Require No Futher Work As Cutting Suitable for various stones, ceramic, vetrified tiles, glass, marble etcWhat?s in the box1 piece Glass Drill BitSpecificationsSKU: GE779IP12A7UINAFAMZModel: N/AProduction Country: ChinaSize (L x W x H cm): 24.00 x 22.00 x 5.50Weight (kg): 0.437Color: Red