An essential tool for directing wires through obstacles and barriers without damage to the protective sheath. A four piece tube set with screwdriver handle attachement to cover a wide range of length and diameter sheathed wires.Also ideal to protect Endoscopes from damage when inserting into tight areas. Radius ends to tubes allows sheathing to be pulled through without damage. Angular tube ends also stop wires from bending when in contact with solid obstacles or metal surfaces.