Top View dimensions architectural information for FL_8a Finish Line Truss Systems. Wider FL_8. 10″ wide Triangular Truss by edt exhibit and display truss and lds light design systems. finish line display sand start finish line structure with larger footprint than our most popular FL_8. browse our wide range of race finish line ideas. dont settle for used finish line truss and instead purchase a long lasting finish line that suits your specific needs and can always be reconfigured in the future.