Product Name : Cable Drag Chain; Material : Plastic Internal Size : 10 x 20mm / 0.4inch x 0.8inch (H*W); External Size : 15 x 27mm / 0.6inch x 1.1inch (H*W) Total Length : 1M / 39.4inch; Maximum Cable Outer Diameter : 11mm / 0.4inch Color : Black; Net Weight : 175g/Pcs Open on both sides, move flexibly, low noise, easy installation. Suitable for use in the reciprocating movement of the occasion, is able to construct cables, tubes, pipelines, etc. Widely used as component and service parts in CNC machine tools, electronic equipment, counting devices, machinery and electrical machinery, etc. Package Contents: 6 x Cable Chain Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.