Miller Electric 274168 NUT, 312-18 .50HEX 1.12H STL PLD CLR COUPLING Sale Price: $0.86 Original Price: $0.99 NUT, 312-18 .50HEX 1.12H STL PLD CLR COUPLING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! NUT, 312-18 .50HEX 1.12H STL PLD CLR COUPLING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1