SET OF 4 CASTERS & 4 SOCKETS 1 5/8" WOODEN WHEEL. BRASS PLATED FORK. LOOK JUST LIKE THE OLD ONES. FOR LARGE DESKS,ICE BOXES OR RAISE TABLE HEIGHT. TAKES A 3/8" HOLE FOR THE SOCKET ( YOU GET 4 CASTERS & 4 SOCKETS FOR $ 5.00 ) IF YOU CHOOSE QUANTITY OF 4 YOU WILL GET 16 CASTERS. If you only order one or two sets have them shipped by MAIL