Lincoln K and KP Numbers › Lincoln Electric K684-12 MAGNUM 450 GUN & CABLE (WATER COOL) Lincoln Electric K684-12 MAGNUM 450 GUN & CABLE (WATER COOL) Sale Price: $2,571.73 Original Price: $2,880.34 MAGNUM 450 GUN & CABLE (WATER COOL) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! MAGNUM 450 GUN & CABLE (WATER COOL) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000