Specification Brand : Aexit BulletPoint1 : Cutting Diameter: 12mm/ 0.47"; Product Name: Glass Hole Saw BulletPoint2 : Material: Metal, Diamond Particles; Package Content: 6 x Glass Hole Saw BulletPoint3 : Weight: 63g; Shank Size: 6.5 x 18mm/0.26" x 0.7"(D*L) BulletPoint4 : Total Length: 50mm/ 2" BulletPoint5 : Main Color: Silver Tone Color : Silver CompatibleMaterial : Glass ItemName : Aexit Glass Tile Hole Saws & Accessories 12mm Cutting Dia Diamond Coated Hole Saw Drill Bit Hole Saw Sets 6 Pcs ItemTypeKeyword : hole-saw-sets Manufacturer : Aexit Material : Glass,Metal,Diamond ModelNumber : modle PartNumber : f190413ae045065 ProductDescription : Description:Features: 12mm cutting diameter diamond coated drill bit hole saw in silver tone color. The diamond coating on these saws give superior performance and life. The Hole Saw Tool is perfect for making and accurate hole on glass, tile . Works better with a electric drill(here is not included). ProductSiteLaunchDate : 2018-09-29T06:54:21.368Z Style : Resistance SurfaceRecommendation : Metal UnitCount : 1