Jagwire Pro Internal Cable Routing Tool Directing cables and hoses through an internally routed frame shouldn't substitute a mind teaser puzzle. Jagwire's handy Pro Internal Cable Routing Tool uses a rare earth magnet that attaches directly to cables, housing, hydraulic hose, and electronic shifting wire, and can be fed directly though difficult internal setups without the need for a separately routed "lead wire. "Features Retractable, flexible magnet can be inserted into receiving end of a housing run to find the magnetic adapter and easily pull it through Adaptors nest inside tool body Magnetic adaptor attaches to cables, housing, hydraulic hose, and electronic wires Magnetized internal cable routing tool makes difficult brake and shifter installations much faster. Works with cables, housing, hydraulic hose, and e-tubes. Extendable, flexible magnet Soft coated magnet protects frame finish Includes adaptors for e-tubes, housing, and hydraulic hose | Jagwire | Pro Internal Cable Routing Tool Black