DeWalt Extreme 2 HSS-G drill bits for metal have No-Walk tips for clean, accurate starting and burr-free holes thanks to recessed cutting wings. They are suitable for portable drilling into alloyed and non-alloyed steel up to 900 N/mm2, and can be used in wood and plastics as well as thin metals and sheet metals. The DT70711 set includes 6 Extreme 2 drill bits and 11 screwdriver bits along with 2 bit holders for quick bit changes. These accessory sets are supplied in ToughCase storage organisers with transparent lids for quick identification. Multiple ToughCases can be slotted into a TSTAK caddy for ease of transport, whether using the built in handles or integrated into a wheeled trolley stack. The DeWalt TSTAK system offers trade professionals the ultimate in flexible working, both onsite and off - the robust, easy to use interlocking system means that units can be configured to individual requirements, providing the ultimate flexible storage and transport solution for tools, fixings