This multi-step drill from C.K is made from high speed steel and has a dual flute construction for faster drilling and a longer life. It features a self-starting tip for precise initial drilling and a dual flute construction for reduced drilling pressure, faster material removal, and extended tool longevity. The three flats on the drive shaft ensure a secure grip in the drill chuck, preventing slippage during operation. Weight: 0.2866009406 Pounds. Manufacturer: Carl Kammerling International Limited.