Corrugated Flexible Split Tubing also know as Split Loom, Wire Loom & Loom Tubing
Amazon.com: Kable Kontrol Nylon Split Wire Loom Tubing 2” Inch 100 Ft Long – High Temperature Black Wire Conduit Cover for Cords - Corrugated Tubing and Protector for Automotive Wires : Electronics
50 Ft. 1/2" Split Wire Loom Conduit Polyethylene Tubing Black Color Sleeve Tube - Tony's Restaurant in Alton, IL
Corrugated Flexible PVC Split Tubing also know as Split Loom, Wire Loom & Loom Tubing
Three different types of wire loom tubing - FlexGlory
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