The Igus 3500.100.300.0 is a cable chain with a series 3500, a bend radius of 300 millimeters, and a length of 1005 millimeters. It is manufactured by Igus and allows for movement with minimal noise, vibration, and wear, while providing optimal protection. This cable chain can be used in a variety of industries and applications, including energy and medical, robotics, controllers, and office automation.