Specification Brand : Aexit BulletPoint1 : Cutting Diameter: 50mm/1.97"; Product Name: Glass Hole Saw BulletPoint2 : Material: Metal,Diamond Particles; Package Content: 1 x Glass Hole Saw BulletPoint3 : Weight: 77g; Shank Size: 9.5 x 25mm/0.37" x 0.98"(D*L) BulletPoint4 : Total Length: 56mm/2.2"; Main Color: Silver Tone BulletPoint5 : Total Size: 56 x 50mm/2.2" x 1.97"(L*Max.D); Side Hole Size: 15 x 6mm/0.59" x 0.24"(L*W) Color : Silver CompatibleMaterial : Glass ItemName : Aexit 50mm Diamond Hole Saws & Accessories Coated Hole Saw Drill bits Glass Hole Saw Sets Tile Marble ItemTypeKeyword : hole-saw-sets Manufacturer : Aexit Material : Metal ModelNumber : modle PartNumber : f190413ae046726 ProductDescription : 1. Features :diamond coating on this hole saw give superior performance and longer life. 2. Excellent for making and accurate hole on glass, tile. 3. Works better with a electric drill(here is not included). ProductSiteLaunchDate : 2018-09-28T02:34:52.071Z Style : Compact SurfaceRecommendation : Metal UnitCount : 1