3M Cold Shrink End Caps EC Series are close ended, tubular rubber sleeves that are factory expanded and loaded onto a removable core. When positioned over the end of a cable or other cylindrical object, the core is removed to provide a reliable environmental seal. Different end caps are available to accommodate a wide range of sizes.3M Cold Shrink End Cap EC Series accommodates cables, pipes and other cylindrical objects of a wide range of sizes. It offers good resistance to abrasion, water, acids, alkalis and ozone to ensure long lasting usage. The cap is factory expanded and loaded onto a removable core. It provides reliable water resistance once the core is removed, and it is positioned over the end of a cable or other cylindrical object. Installation does not require any tools or tapes / mastics and the cold shrink is easily removable.