Lincoln K and KP Numbers › Lincoln Electric KP4418-1 SUBMERGED ARC GUN TUBE 3/32 Lincoln Electric KP4418-1 SUBMERGED ARC GUN TUBE 3/32 Sale Price: $458.46 Original Price: $513.48 SUBMERGED ARC GUN TUBE 3/32 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! SUBMERGED ARC GUN TUBE 3/32 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000