The SDS electric hammer bits are very durable and easy to use.<br /><br /><strong>Features:</strong><br />2 pits 2 slots SDS shank.<br />Assorted lengths and sizes.<br />Matching with electric hammer perfectly.<br />Good quality and high precision、 durable to use.<br />With the 4-flute design、 the drill bits removes debris quite efficiently.<br />Suitable for drilling 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: 3 * 110mm、 4 * 160mm、 1 * 210mm<br />Package Weight: 403g / 14.2oz<br />Package Size: 21 * 11 * 1cm / 8.3 * 4.33 * 0.4in<br /><br /><strong>Package List:</strong><br />8 * Drill Bit<br />&nbsp;