Lincoln K and KP Numbers › Lincoln Electric KP4403-180 GUN TUBE 180 DEGREE WC Lincoln Electric KP4403-180 GUN TUBE 180 DEGREE WC Sale Price: $2,013.81 Original Price: $2,255.47 GUN TUBE 180 DEGREE WC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUN TUBE 180 DEGREE WC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000