Lincoln K and KP Numbers › Lincoln Electric KP3380-1F MAGNUM PRO AL. FLEXIBLE GUN TUBE Lincoln Electric KP3380-1F MAGNUM PRO AL. FLEXIBLE GUN TUBE Sale Price: $1,199.87 Original Price: $1,343.85 MAGNUM PRO AL. FLEXIBLE GUN TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO AL. FLEXIBLE GUN TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000