Cast aluminum (SS2A) or cast bronze (SS2B), heavy duty snow guard for standing seam roofs. Groove is 1/4 inch or 3/8 inch wide (select the option) and approximately 3/4 inch deep. Six stainless steel set screws (grade 18-8 stainless) for 1/8 inch Allen wrench.
The aluminum snow guards are silver/gray, NOT IN ANY WAY bronze colored as the image may suggest. They are the color of mill finish aluminum.
5 3/8 inches wide, 3 1/4 inches high off roof, 7.4 ounces (aluminum), 25.2 ounces (bronze).
The bronze are made of solid bronze (836 stock - 85 percent copper, 5 percent tin, 5 percent zinc and 5 percent lead).