Install small wire systems easily and efficiently with the Milwaukee® 1/2" x 18" Bellhanger Bit. Designed for installing all types of small wire systems including computer， security， phone， and cable， Milwaukee Bellhanger Bits provide extra reach where needed and a hole in the tip to help pull wires through holes. The bits feature aggressive tip geometry for faster cutting and non-stick， coated flutes for fast chip removal and reduced binding. The 3-Flat Secure-Grip™ shank prevents the bits from spinning in the drill chuck. Milwaukee Bellhanger bits are available in 12"， 18" and 24" lengths.