Item Type: Drag Chain Material: Nylon 66 Application: Suitable for engraving machine, CNC machine tool, mechanical arm, professional cable protection accessories Series: Low noise series Length: Approx. 0.7meter / 2.3ft(detachable assembly of 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.)Joint length / mm(approx.)Pitch / mm(approx.) D20x2535 x 39mm / 1.4 x 1.5in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in 50mm / 2in33.5mm / 1.3in D20x3835 x 52mm / 1.4 x 2in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.10in 50mm / 3in33.5mm / 1.4in D20x5035 x 64mm / 1.4 x 2.5in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in 50mm / 4in33.5mm / 1.5in D20x5735 x 71mm / 1.4 x 2.8in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 5in33.5mm / 1.6in D20x6735 x 74mm / 1.4 x 2.9in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 6in33.5mm / 1.7in D20x7535 x 89mm / 1.4 x 3.5in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 7in33.5mm / 1.8in D20x7735 x 91mm / 1.4 x 3.6in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 8in33.5mm / 1.9in D20x10035 x 114mm / 1.4 x 4.5in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 9in33.5mm / 1.10in D20x12535 x 139mm / 1.4 x 5.5in55mm / 2.2in, 75mm / 3in, 100mm / 3.9in, 125mm / 4.9in, 150mm / 5.9in, 200mm / 7.9in50mm / 10in33.5mm / 1.11in