The Klein Flex Bit Auger is used to drill holes through wood within a wall. The screw point tip pulls the bit through wood. A hole in the tip allows for use with wire or cable pulling grips.Features Comes with a reusable protective case for the auger head when the bit is not in use Fish eye hole on either end aids in pulling wire inside wall cavity from either direction after drilling Screw point tip pulls the bit through wood Tapered back for easy bit retrieval Spring steel shaft resists deformation Used to drill holes through wood within a wall NoteRead and follow safety instructions in power tool owner's manual.Warnings Never use on or near live electrical circuits. Always wear approved eye protection. Bit Diameter: 3/8 in (10 mm) Overall Length: 54 in (137.2 cm) Weight: 1 lb Height: 1 in Width: 1 in Material: Spring Steel Country of Origin: China DownloadsSpec SheetVideo Download