High Speed Steel Fractional Self Starting, 1 4 in to 1 3 8 in, 10 Steps ORS NASCO Rugged and light weight die Rugged and light weight die cast aluminum head Vinyl cover for a comfortable and sure grip 3 way loading (14 ounce cartridge Economical solution for many specialized applications Controlled in production to secure full gauge plastic and laminates Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck Also available with (TiN) coating for longer life New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel