H-BLOCK Rooftop Support Mounts. 4-7/8" High (w/strut ) x 5" Wide x 10-7/8" Long approx. Weight 5.62 lb. each. 13/16" Height 14 Ga. Pre-Galv Strut attached. 2500 lb. Uniform Load Cap. 100% Recycled Rubber – LEED Certifiable – Made in USA