Solid Brass
Size 12.5mm(1/2") - Outer Diameter 14mm(1/2"), Inside Diameter 6.5mm(2g), Weight Per Pair - 6g, SKU#36461
Size 16mm(5/8") - Outer Diameter 19mm(3/4"), Inside Diameter 9.5mm(00g), Weight Per Pair - 14g, SKU#36460
Size 51mm(2") - Outer Diameter 51mm(2"), Inner Diameter 22mm(7/8"), Weight Per Pair - 84g, SKU#36285