Lincoln Service Parts 2 › Lincoln Electric 9ST9078-9 THUMB SCREW T9078-9 Lincoln Electric 9ST9078-9 THUMB SCREW T9078-9 Sale Price: $5.67 Original Price: $6.52 THUMB SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! THUMB SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1