Spiral Wire Wrap Tubing (33 feet) - 33FT PE 3/4" (20 mm) Black Polyethylene Spiral Wire Wrap Tube PC Manage Cable for Car Computer Cable - Helps protect wiring from excessive wear; Keeps wires organized and neat; 33 feet of black spiral wire wrap; Outside diameter:: 20 mm; Length: 33 feet; Great for home, office, garage, automotive and computing applications; Black Polyethylene