Get Extreme results with these Dewalt DT9841 SDS Plus Drill Bits The Dewalt DT9841 is a pack of 10 Extreme 2 SDS Plus Drill bits of superior carbide grade which are all 12mm in diameter with a working length of 150mm. The Innovative EXTREME 2 SDS-Plus drill bit is amongst the best in terms of its speed, life and endurance. Features: Optimised flute design allows efficient debris removal Hardened body for extra strength and reduced breakage Superior carbide grade for long life and greater durability New tip design ensures better bit penetration, longer life, faster drilling and greater durability Specification: Pack Qty: 10 Weight: 1.5kg Length: 200 mm Diameter: 12 mm Working Length: 150 mm