What is this?The cable drag chain has a beautiful appearance and a sleek surface. Used broadly in CNC machine tools, three-D printers, electronic equipment, glass machinery, door and window machinery, robots, automated warehouses and so on.What will I get?Type: OpenLength: 1 Meter/3.28 FtColor: BlackBending RadiusInternal Size (Inner H x Inner W)External Size (Outer H x Outer W)R3815mm x 20mm20mm x29mmR3815mm x 30mm19mm x39mmR4815mm x 30mm20mm x39mmR3815mm x 40mm20mm x49mmPackage Includes:1 x Cable Drag ChainAre there any benefits of the product?Reinforced nylon, low-temperature resistance, put on resistance, corrosion resistance. Designed to enclose and instruction manual bendy electrical cables and hydraulic or pneumatic hoses linked to transferring automatic machinery. Reduce the abrasion and stress of cables and hoses and stop entanglement.How to use it?Easy to install and repair, you could join the cables to one another to variety the length you need.What must I notice?Noted that once the movable terminal is bent into a "U" shape, the longer section will lie flat, or the tail of the chain will bend upward.