The Cable Drag Chain is easy to install and repair, free movement, low noise, wear-resistant, high-speed movement You can link the cables with each other to form long length you need, Internal Size: 10 x 15mm/0.39inch x 0.59inch(H*W), External Size: 14.5 x 22.5mm/0.57inch x 0.88inch(H*W), Total Length: 1Meter/39.4inch, Weight: 156g, Package Content: 1pcs Cable Drag Chain,extra plus a pair of connectors Surface gloss,Low temperature resistance, wear resistance and corrosion resistance Suitable for reciprocating motion in occasions, with built-in cables, pipes, water pipes, etc The Drag chain has been widely used for CNC machine tools,electronic equipments, fire machinery, stone machinery, glass machinery, doors and windows machinery, counting devices, electrical machines, etc