Lincoln Service Parts 2 › Lincoln Electric 9ST9187-4 LOCKNUT [5] T9187-4 Lincoln Electric 9ST9187-4 LOCKNUT [5] T9187-4 Sale Price: $8.00 Original Price: $9.20 LOCKNUT [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5 Add To Cart Added! LOCKNUT [5] PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 5