Lincoln K and KP Numbers › Lincoln Electric KP1979-2 CONTACT TIP, 052, TWINARC Lincoln Electric KP1979-2 CONTACT TIP, 052, TWINARC Sale Price: $185.73 Original Price: $208.02 CONTACT TIP, 052, TWINARC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! CONTACT TIP, 052, TWINARC PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000