Specification Brand : Multizenic BulletPoint1 : Versatile Application: Our Gemstone brazing drill bits can be used on various materials like marble, concrete, glass, and ceramics, making them a must-have for any hardware toolbox. BulletPoint2 : - : Made from selected Excellent Quality- Gemstone, these drill bits are designed for durability and sharpness, ensuring long-lasting performance and precise drilling. BulletPoint3 : Efficient : elliptical chip hole facilitates smoothness chip discharge, reducing cutting and enhancing drilling efficiency. BulletPoint4 : to Use: Compatible with both electric and table drills, these drill bits are to install and operate, making your drilling tasks quicker and simpler. BulletPoint5 : Complete Set: This package includes 5 work (of art) of Gemstone brazing drill bits, providing value for money and ensuring you always have a backup when needed. ItemName : 5Pcs Golden Gemstone Brazing Drill Bits, 38mm Hole Saw for Marble Concrete Glass Ceramic, Efficient Chip Discharge, Durably and Cutting ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : hole-saw-sets Manufacturer : Multizenic ModelName : Multizenicbf0uir9eo3 ModelNumber : Multizenicbf0uir9eo3 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Multizenicbf0uir9eo3 ProductDescription : Item Type: Diamond Brazing Drill Material: Diamond Process: Brazing Color: Golden Hole Diameter: Approx. 38mm / 1.5in Handle Diameter: Approx. 8mm / 0.3in Quantity: 5Pcs Applicable Equipment: Electric drill, table drill Range of Application: Suitable for all kinds of stone, ceramics, vitrified tiles, glass, etc.