This locking sleeve is similar to our Cobalt Series Locking Sleeve but it has a larger opening. ・By itself, this locking sleeve is compatible with the the Large size of the Cobalt Series Potted Connector Shell and is used in the Large size of the Cobalt Series Cable Termination Kits. ・Coupled with a split washer, this locking sleeve becomes a Removable Locking Sleeve, which can be used with any of our Cobalt Series Cables, the Regular size of Cobalt Series Potted Connector Shell or the Cobalt Series Barbed Connector Shell. The washer allows the locking sleeve to be removed or re-installed on the cable. SKU: COB-1006