The tile drill works quite efficiently， which producing clean holes with no chipping around the edges.<br><br><strong>Features:</strong><br>Hard alloy with chrome finish， durable to use.<br>Comes with different sizes with reasonable price.<br>Round shank， matching with electric drill perfectly.<br>Sharp bits that providing smooth， accurate drilling.<br>Suitable for drilling holes in ceramics， glass， granite， brick wall and other brittle materials.<br><br><strong>Specifications:</strong><br>Material: Hard alloy<br>Shank: Round<br>Package Weight: 109g / 3.85oz<br>Package Size: 17 * 5 * 1cm / 6.69 * 1.97 * 0.39in<br><br><strong>Package List:</strong><br>7 * Tile Drill (3 4 5 6 8 10 12mm)<br><br><strong>Note:</strong><br>Drill slow with a little water and light pressure.