Lincoln K and KP Numbers › Lincoln Electric KP3381-45 GUN TUBE 45D WC MAGNUM PRO Lincoln Electric KP3381-45 GUN TUBE 45D WC MAGNUM PRO Sale Price: $1,441.55 Original Price: $1,614.54 GUN TUBE 45D WC MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUN TUBE 45D WC MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000