Lincoln K and KP Numbers › Lincoln Electric KP2868-45 MAGNUM PRO 450A 45 DEGREE GUN TUBE Lincoln Electric KP2868-45 MAGNUM PRO 450A 45 DEGREE GUN TUBE Sale Price: $85.46 Original Price: $95.71 MAGNUM PRO 450A 45 DEGREE GUN TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM PRO 450A 45 DEGREE GUN TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000