This 4 mm² ferrule with a length of 17 millimeters in grey is an insulated sleeve that can be used to strengthen a cable. With the ferrule, you can provide a flexible cable with a solid core. This helps prevent heat development and allows for better contact. The single wire ferrules are insulated and come in a box of 100 pieces. For attaching the ferrule, mounting tools such as crimping pliers should be used. The single wire ferrules are grey in color, have a length of 17 millimeters, and a diameter of 4 square millimeters. The insulation provides extra protection for the end of the cable. Features • Supplied in a box of 100 pieces • Length of 17 millimeters and diameter of 4 square millimeters • Color: grey • Insulated single wire ferrules Ask a product question