50 Markers with Assorted Hardware

50 3' Markers with Assorted Hardware. Will Cover Most Typical Roofs of up to 75,000 SF, with a Variety of Roof Top Fixtures. Package includes [50 3' Markers with White Reflector Tape, 30 Universal Brackets w/2 self Drilling Screws (included), 10 L-Style Spring Clamps, 5  (11/16"-11/4") 0125T Pipe Clamps and 5  (1 5/16"-2 1/4") 0225T Pipe Clamps].