Lincoln Service Parts 1 › Lincoln Electric 9SM21251-5 BASE RAIL M21251-5 Lincoln Electric 9SM21251-5 BASE RAIL M21251-5 Sale Price: $92.77 Original Price: $106.69 BASE RAIL PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! BASE RAIL PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1