Lincoln Service Parts 2 › Lincoln Electric 9SS31939 SHAFT CLAMP S31939 Lincoln Electric 9SS31939 SHAFT CLAMP S31939 Sale Price: $319.03 Original Price: $366.88 SHAFT CLAMP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! SHAFT CLAMP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1