Specification Brand : YedaHcy BulletPoint1 : Material & Durability: Made of Excellent Quality- Gemstone material for excellent hardness and durability, ensuring long-lasting performance and sharpness for efficient drilling. BulletPoint2 : Versatile Application: Suitable for drilling through various materials including marble, glass, ceramic, concrete, and artificial stone, making it a versatile tool for multiple . BulletPoint3 : Ergonomic : Features an -slip handle for a comfortable and secure grip, providing stability and control during drilling operations. BulletPoint4 : Compatibility & Efficiency: Can be used with hand drills, Pew drills, and other drilling equipment, facilitating and easier drilling process. BulletPoint5 : Complete Set: Comes as a set of 6 work (of art) with different hole diameters, ranging from 14mm to 25mm, to cater to a wide range of drilling needs. ItemName : 6Pcs Golden Gemstone Hole Drill Bit Cutting Machine Set for Marble Glass Ceramic Concrete Artificial Stone, Slip Handle, Hardness Durability ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 21 centimeters ItemPackageDimensions_Width : 12 centimeters ItemTypeKeyword : masonry-drill-bit-sets Manufacturer : YedaHcy ModelNumber : YedaHcyqfb8k9s6op PartNumber : YedaHcyqfb8k9s6op ProductDescription : Conditon: Brand New Item Type: Marble Hole Bit Material: Process: Brazing Color: Golden Hole Diameter: Approx. 14mm/0.55in, 16mm/0.63in, 18mm/0.71in, 20mm/0.79in, 22mm/0.87in, 25mm/0.98in Handle Diameter: Approx. 8mm/0.31in Specification: 6Pcs/ Set Applicable Equipment: Electric drill, bench drill Range of Application: Suitable for all kinds of stone, ceramics, vitrified tiles, glass, etc.