Descriptions:These durable & high quality cable carriers are widely used for cable management with CNC machines, 3D printers & more.All tracks are 1 meter long but can be extended or combined by connecting the ends for more length.We offer closed and open tracks. The inside of a closed track can only be accessed from each end. The inside of an open track can be accessed by un-clipping individual track pieces.Specifications: Product Model: Connector Bending Radius: R28 Package Includes:1pcs Drag Chain Accessories