1、The drag chain surface is smoothly and firm, reducing the resistance and friction with the air pipe, wear‑resistant and slip‑resistant. 2、All materials are nylon 66, low temperature resistance -25℃, high temperature resistance 100℃. 3、Can be disassembled and combined in any length to meet work needs. 4、Accurate processing of selected high‑quality materials, greatly extending the product life cycle. 5、This is silent series, extremely low working noise, making the working environment quieter. 1 x Cable Drag Chain Item Type: Cable Drag ChainMaterial: Nylon 66Purpose: Suitable for engraving machine CNC machine tool arm, professional cable protection accessoriesSeries: Silent SeriesLength: Approx. 0.7meter / 2.3ft (can be disassembled and assembled at any length)Working Temperature: -25-100℃ Model  Inner height x inner width/mm)(Approx.) Outer height x Outer width/mm(Approx.) Turning radius/R (mm)(Approx.) Connector length /mm(Approx.) Pitch/mm(Approx.) S13 x 18 13 x 18mm / 0.5 x 0.7in 18 x 29mm / 0.7 x 1.1in 28mm / 1.1in38mm / 1.5in48mm / 1.9in 26mm / 1in 16.7mm / 0.7in S13 x 25  13 x 25mm / 0.5 x 1in 18 x 37mm / 0.7 x 1.5in 28mm / 1.1in38mm / 1.5in48mm / 1.9in 26mm / 1in 16.7mm / 0.7in