●Series Number: 10Q.1.B ,B Indicates that non-opening ●Type: Cable Chains Bridge Type Non-Opening ●Bending radius: R18; Internal Size: 10mm x 10mm (Inner H x Inn W); Length: 1 Meter/3.93ich ●Change Size: You could link the cables with each other to form one long length you need ●The drag chain has been widely used in CNC machine tools, electronic equipment, glass machinery, doors and windows machinery, injection molding machines, robots, automated warehouses and so on