Kable Kontrol® Convoluted Black Split Wire Loom Tubing - 1/4" to 3-1/2" Diameter
Amazon.com: Kable Kontrol Nylon Split Wire Loom Tubing 5/8” Inch 100 Ft Long – High Temperature Black Wire Conduit Cover for Cords - Corrugated Tubing and Protector for Automotive Wires : Electronics
Amazon.com: 1/2" X 100 ft Split Wire Loom Flex-Guard Convoluted Tubing – Protective Split Cable Sleeves/Conduit for Automotive Home Electrical Wires – Black : Electronics