The SDS electric hammer bits are very durable， easy to use and drill holes in concrete quickly. Comes with different sizes and lengths(6x100mm， 8x100mm， 6x160mm， 8x160mm， 10x160mm) with reasonable price.<br><br><strong>Features:</strong><br>Comes with different sizes with reasonable price.<br>Premium quality and high precision， durable to use.<br>SDS shank， matching with electric hammer perfectly.<br>With the 4-flute design， the drill bits removes debris quite efficiently.<br>Suitable for drilling holes in ceramic tile， stone， wood， metal， aluminum， plastic， concrete and multi-layer materials.<br><br><strong>Specifications:</strong><br>Material: Hard alloy<br>Shank: SDS<br>Length: 2 * 100mm， 3 * 160mm<br>Package Weight: 229g / 8.07oz<br>Package Size: 18.5 * 8 * 1cm / 7.28 * 3.15 * 0.39in<br><br><strong>Package List:</strong><br>5 * Drill Bit (6 8 6 8 10mm)