AMERICAN MAPLE OYSTER & CLAM KNIFE 8 1/2in LONG 3 3/4in STAINLESS STEEL BLADE. With a high-quality stainless steel blade, the Promar 8.5†Oyster and Scallop Knife easily shucks oysters, scallops or clams with precision. In addition, the ergonomically designed soft polypropylene handle ensures comfortable use.