Lincoln Service Parts 1 › Lincoln Electric 9SM27572 PRISM ARM 7 SUPP. STRUCT. ASBLY M27572 Lincoln Electric 9SM27572 PRISM ARM 7 SUPP. STRUCT. ASBLY M27572 Sale Price: $617.43 Original Price: $710.04 PRISM ARM 7 SUPP. STRUCT. ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! PRISM ARM 7 SUPP. STRUCT. ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1