Stainless steel counterweight kit for Wave mount heads Counterweight bar: 0.79-inch (20mm) diameter x 12.4-inch (314mm) length, 1.6-ppound (.72kg) weight Extension bar: 0.79-inch (20mm) diameter x 6.5-inch (164mm) length, 0.78-ppound (.35kg) weight Counterweight: 11-pound(5kg) Pictured...