Jointor box 4 way big

A fiber optic coupler is an optical device capable of connecting one or more fiber ends in order to allow the transmission of light waves in multiple paths.

This product is called as pvc cable marking ferrule. Generally these ferrule are used for cable marking or tagging or name that cable. There are differnt types of ferrules are available depend on cable size. 0.75, 0.5, 1, 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50, 70 sq mm.