3M TM cold shrink epdm insulator. size 12.7/350/43.7mm.

3M Brand PST Cold Shrink Connector Insulators are a series of open-ended, tubular rubber sleeves, which are factory expanded and assembled onto a removable core. They are supplied for field installation in this pre-stretched condition. The core is removed after the tube has been positioned for installation over an in line connection, terminal lug, etc., allowing the tube to shrink and form a waterproof seal. The insulating tube is made of EPDM rubber, which contains no chlorides orsulphurs. Six diameter sizes will cover a range of 1000 volt cables, copper and aluminium conductors.