1/2" x 18" Bellhanger Bit Milwaukee"s Bellhanger bits are ideal for installing all types of small wire systems including computer, security, phone, and cable. With 12", 18" and 24" lengths they provide extra reach where needed and a hole in the tip to help pull wires through holes. Non-stick coated flutes increases chip ejection and reduces binding. An aggressive tip geometry provides faster cutting and the 3-flat shank stops the bit from slipping in the user"s drill. Features: Aggressive tip geometry provides faster cutting Coated Flutes for Fast Chip Removal Wire pulling hole enables wire to be attached to the bit and pulled through holes when needed 3-Flat Shank stops bit from slipping in the drill"s chuck Since its founding in 1924, Milwaukee has focused on a single vision: To produce the best heavy-duty electric power tools and accessories available to the professional user. Today, the Milwaukee name stands for the highest quality, durable and reliable professional tools money can buy.