Lincoln K and KP Numbers › Lincoln Electric KP2631-1 GUN TUBE ASBLY Lincoln Electric KP2631-1 GUN TUBE ASBLY Sale Price: $26.11 Original Price: $29.24 GUN TUBE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUN TUBE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000