A copper/bronze base easily conforms to flat or pitched surfaces. Pressed copper bottom measures 2" x 4" (5.1 cm x 10.2 cm). Cast bronze two-way cable holder with brass hex air terminal receptacle. Stainless steel fasteners. Use suffix 3/8, 1/2 or 5/8 to denote air terminal thread size. Approximately 12.4 oz. (349 grams).