Lincoln Service Parts 1 › Lincoln Electric 9SM31044-2 POST EXTENSION KIT M31044-2 Lincoln Electric 9SM31044-2 POST EXTENSION KIT M31044-2 Sale Price: $1,300.44 Original Price: $1,495.51 POST EXTENSION KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! POST EXTENSION KIT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1