Features Nylon material: no breakage or deformation, has good toughness against pressure and impact, durable in high temperature. Reliable Work The outside is narrow and the inside is wide, not easy to fall off, which greatly simplifies the installation. BACKER CHAINS: These open drag chains with 3 holes are suitable for various cables and also provide effective protection. 3 pieces in 1 set: including 3 pieces 10 x 11 mm backing chain with 345 mm, 295 mm and 480 mm length to meet your different work needs. Practical Applications Perfectly fits for 2.4 Switchwire 3D printers, the wire carrier is very reliable in long working hours. Specification: Item Type:3D Printer Drag Chain Material: nylon. Specification: Pack of 3 Approx. 10 x 11 mm / 0.39 x 0.43 inch chain in 345 mm / 13.58 inches. Approx. 10 x 11 mm / 0.39 x 0.43 inch chain in 295 mm / 11.61 inches. Approx. 10 x 11 mm / 0.39 x 0.43 inch chain in 480 mm / 18.9 inches. Hole position: 3 holes Open steel wire chain: approx. 10 x 11 mm / 0.39 x 0.43 inches. Package list: 1 x 345mm 3D Printer Drag Chain 1 x 295mm 3D Printer Drag Chain 1 x 480mm 3D Printer Drag Chain Note: Switchwire requires a print model with 3-hole configuration to install the tank tow chain. The official pattern is provided. Package List 1 x 345mm 3D Printer Drag Chain 1 x 295mm 3D Printer Drag Chain 1 x 480mm 3D Printer Drag Chain