Lincoln K and KP Numbers › Lincoln Electric KP3380-45 GUN TUBE 45D A/W THREADED MAGNUM PRO Lincoln Electric KP3380-45 GUN TUBE 45D A/W THREADED MAGNUM PRO Sale Price: $843.22 Original Price: $944.41 GUN TUBE 45D A/W THREADED MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUN TUBE 45D A/W THREADED MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000