This selection is of plastic electric fence srtrains. On the top row: First one is unmarked made by American Farm Works, Next is unmarked made by Gallagher. This also comes in black color. Next piece is made by Zareba Corp. (unmarked), The fouth piece is unmarked but made by Parmack Farm Products. Last piece in the top row is marked Premire 1. This is a new company I found that had many neat designs. They are based out of Washington, IA. On the bottom row: The first two are unmarked sold by Zareba Corp. The last piece is a heavy dust strain with renforcing metal strips marked Kwik U strain. Not sure who made these but it is neat looking in person.