Wsidrnty 4mm Diamond Coated Drill Glass Driller Tile Driller Granite Pack of 10

4mm Diamond Coated Drill Glass Driller Tile Driller Granite Pack of 10 Product name: glass Material: metal Color: silver Cutting hole diameter: 4 mm / 0.16 Shaft hole diameter: 2 mm / 0.07 Shaft diameter (): 2 mm / 0.07 length: 50 mm / 2 Size: 5x0.2x0.2cm / 2x0.07x0.07Inch Weight: 25g Package Included: 10 x glass Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.