10mm Glass Tile Marble Hole Cutter Tool 2 PCS Tools

2 PCS Professional 10mm Marble Tile Glass Hole Saw. The diamond coating on these Professional 10mm Hole Saw give superior performance and life. Excellent results in glass. Special design of diamond electroplated the edge of Hole Saw?will be free cutting. Nickel plated metal material. This diamond core drill Glass Hole Saw are used for cutting glass. 2 inch shank. Diameter: 10mm Weight: 19.3g Package content: 2 x 10mm Glass Hole Saw Note: To prolong the life of these bits use on a low speed with coolant (water/oil)