Miller Electric 604537 NUT, 312-18 .50HEX .28H STL PLD Sale Price: $3.11 Original Price: $3.58 NUT, 312-18 .50HEX .28H STL PLD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Quantity: Add To Cart Added! NUT, 312-18 .50HEX .28H STL PLD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1