There are many kinds of trim involved in metal roofing, often times it's more than you can tell. Click here to see the trim we offer for Panel Loc Plus and here Horizon Loc. Please note that when looking at the trim for Horizon Loc, go to the Concealed Fastener section of that trim. Trim is standard 10' 2", however you can also get 12' 2", 14' 2", 16' 2", 18' 2", and 20' 4" in most all of our trim. We also offer matching gutter and components.