Lincoln Service Parts 1 › Lincoln Electric 9SM21600-12 COMPUTER ASBLY M21600-12 Lincoln Electric 9SM21600-12 COMPUTER ASBLY M21600-12 Sale Price: $7,723.36 Original Price: $8,881.86 COMPUTER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! COMPUTER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1