Milwaukee 3/8" x 12" Bellhanger Bit makes installing wire systems easy. It is ideal for all types of wire systems, including computer, security, and phone. This bit allows additional reach and features a hole in the tip that helps pull the wires through holes. The aggressive tip geometry allows fast cuts, while the non-stick, coated flute delivers fast chip removal and reduced binding. It features a 3-Flat Secure Grip™ shank to prevent bits from spinning.