Why would I choose the 3M Super premium cold shrink joint over the premium joint?

An expert from 3M details the advantages of 3M Super Premium Pre-Assembled Cold Shrink Cable Joints.

3M Cold Shrink Cable Joints - features at a glance :

-Integrated containing joint body, copper screen sleeve and outer protection
-Pre-assembled cold shrink design eliminates cable jointing steps
-Safe cable joint installation (no gas torches or heating required)
-Less room for cable jointing error
-Minimal space required for installation
-Joints rated from 3.6/6.6(7.2)kV up to 12/20(24)kV