3M™ Connector CIR-1/0, 1/0 AWG stranded, O.D. 0.64 in (16,2 mm), 10 per case

This connector has 5411R splice body and a 0.63 in (16 mm) O.D. This connector is to be used with molded rubber splice kits.

The 3M™ Connector CIR-1/0 is an extra long connector that is used to bridge gaps up to six inches when a piece of damaged cable is removed. They can be used with copper or aluminum conductors.