Nunn Design - These quality products are made in the USA, plated with .999 pure silver and aged to look like a piece of antiquity. 

Shape/Style: Large Circle-Single Loop
Type: Open Frame
Base Metal: Brass
Plating: 0.999 Fine Silver
Color: Antique Silver
Inner Dimension: 23.7mm Dia x 2.9mm
Outer Dimension: 30.9 x 25.2 x 2.9mm
Hole Size (Loop): 4mm
Quantity: 1

All Sizes Approximate