Lincoln Service Parts 2 › Lincoln Electric 9SS31933 MONITOR ARM, LONG, BASIC S31933 Lincoln Electric 9SS31933 MONITOR ARM, LONG, BASIC S31933 Sale Price: $983.66 Original Price: $1,131.21 MONITOR ARM, LONG, BASIC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! MONITOR ARM, LONG, BASIC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1