Lincoln Service Parts 2 › Lincoln Electric 9ST15046 GUIDE TUBE THUMB SCREW T15046 Lincoln Electric 9ST15046 GUIDE TUBE THUMB SCREW T15046 Sale Price: $21.72 Original Price: $24.98 GUIDE TUBE THUMB SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! GUIDE TUBE THUMB SCREW PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1