Armeg Twister Drilling Set which includes twister HSS cobalt drill bit featuring 5% cobalt for increased wear resistance and extended durability and provides up to 10 X Life in stainless steel compared to standard HSS bits. Twister multi material drill bit where 1 piece design made from high quality steel for optimum performance in impact drivers and drills through multiple materials including lightweight block, soft brick, timber, soft tile and sheet metal. Nail-Proof Stubby Woodbeaver where the solution to drilling in nail embedded wood, with a compact length ideal for inter-joist drilling. Acceler8% is designed specifically for drilling sheet steel, Acceler8% is built for speed, HSS cutting edge with 8% cobalt for durability, flared body depth stop for improved safety and easy tool removal. 230mm long 1/4″ extension rod which is perfect for when extra reach is required. SDS Plus to 1/4″ adaptor which converts 1/4″ shank accessories to SDS plus compatibility for machine versatility.