3M Constant force springs, P63 for solderness connections, pack 50 pcs

3M™ Constant Force Spring is designed for earthing or grounding applications. The spring applies a uniform radial pressure onto the cable when it is rolled onto the cable core or outside diameter.3M™ Constant Force Spring is a solderless connection, making it ideal for use on lead and aluminium cable sheaths, cable screening tapes or wires and steel or aluminium armor wires. RoHS 2011/65/EU Compliant.