Feature: 1. The drag chain surface is glossy and firm, reducing resistance and friction with the air tube, low noise, and high‑speed continuous movement. 2. All materials are nylon 66, low temperature resistance ‑25℃, high temperature resistance 100℃. 3. The product can be disassembled and combined in any length to meet work needs. 4. Selected and accurate materials are processed accurately, and the product life cycle is greatly extended. 5. Silent series, extremely low working noise, making the working environment quieter. Specification: Item Type: Cable Drag ChainMaterial: Nylon 66 Purpose: Suitable for engraving machine CNC machine tool arm, professional cable protection accessories Series: Low noise series Length: 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.) D30 x 25 30 x 25mm / 1.2 x 1in 45 x 41mm / 1.8 x 1.6in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 38 30 x 38mm / 1.2 x 1.5in 45 x 54mm / 1.8 x 2.1in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 50 30 x 50mm / 1.2 x 2in 45 x 66mm / 1.8 x 2.6in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 57 30 x 57mm / 1.2 x 2.2in 45 x 73mm / 1.8 x 2.9in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 60 30 x 60mm / 1.2 x 2.4in 45 x 76mm / 1.8 x 3in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 75 30 x 75mm / 1.2 x 3in 45 x 91mm / 1.8 x 3.6in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 77 30 x 77mm / 1.2 x 3in 45 x 93mm / 1.8 x 3.7in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 100 30 x 100mm / 1.2 x 3.9in 45 x 116mm / 1.8 x 4.6in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in D30 x 125 30 x 125mm / 1.2 x 4.9in 45 x 141mm / 1.8 x 5.6in 55mm / 2.2in 75mm / 3in 100mm / 3.9in 125mm / 4.9in 150mm / 5.9in 200mm / 7.9in 55mm / 2.2in 33.5mm / 1.3in . Package List: 1 x Cable Drag Chain