Miller Electric 15547 BACKUP RING, 5/16 ID X 7/16 OD Sale Price: $15.81 Original Price: $18.18 BACKUP RING, 5/16 ID X 7/16 OD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! BACKUP RING, 5/16 ID X 7/16 OD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1