Bivalve Reverb: Brass Oyster Shell Buckle & Strap from Narragansett Pin by Awh Shuck It on Oyster Shell Belt Buckles Belt buckles Orange Spiny Oyster Shell And Opal Inlay On Sterling Silver Ranger Belt Oyster Shell Belt Buckle in Sterling Silver Shop Mashburn Discover 46 Oyster Shell Belt and Buckle Collection from Cellar Leather. Slight variations in metal color may occur from one casting to the next. Each buckle is unique, custom cast and hand polished. Buckles are roughly 2 1 2" x 1 5 8". Coskata Oyster Buckles fit on a 1 and 1 1 4 belt