Lincoln K and KP Numbers › Lincoln Electric KP4417-1 SUBMERGED ARC GUN TUBE 5/64 Lincoln Electric KP4417-1 SUBMERGED ARC GUN TUBE 5/64 Sale Price: $462.25 Original Price: $517.72 SUBMERGED ARC GUN TUBE 5/64 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! SUBMERGED ARC GUN TUBE 5/64 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000