Lincoln Service Parts 2 › Lincoln Electric 9ST6931-11 STUD AC-1500 T6931-11 Lincoln Electric 9ST6931-11 STUD AC-1500 T6931-11 Sale Price: $9.83 Original Price: $11.31 STUD AC-1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! STUD AC-1500 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1