Lincoln Service Parts 1 › Lincoln Electric 9SM21234 SHIELD & HINGE ASBLY M21234 Lincoln Electric 9SM21234 SHIELD & HINGE ASBLY M21234 Sale Price: $81.32 Original Price: $93.52 SHIELD & HINGE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SHIELD & HINGE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1