Electric fence, end tensioner, for 1-1/2" polytape installed on wood or t-posts, use at corners, ends or t junctions, fully insulated, all metal parts are of #300 series stainless steel, insulators are molded of white high density polyethylene with uv inhibitors, each assembly includes an electrical connector consisting of 1 self tapping lag screw & 1 wire terminal, use to connect to energizer or jumper as well for your electric fencing.