Lincoln K and KP Numbers › Lincoln Electric KP2059-1 DIFFUSER, MAGNUM 450WC GUN Lincoln Electric KP2059-1 DIFFUSER, MAGNUM 450WC GUN Sale Price: $25.90 Original Price: $29.01 DIFFUSER, MAGNUM 450WC GUN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! DIFFUSER, MAGNUM 450WC GUN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000