Lincoln Service Parts 1 › Lincoln Electric 9SM21251-2 BASE EXTRUSION M21251-2 Lincoln Electric 9SM21251-2 BASE EXTRUSION M21251-2 Sale Price: $90.48 Original Price: $104.05 BASE EXTRUSION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! BASE EXTRUSION PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1