Lincoln K and KP Numbers › Lincoln Electric KP5368-040 HYPERFILL RA CONTACT TIP, .040 Lincoln Electric KP5368-040 HYPERFILL RA CONTACT TIP, .040 Sale Price: $173.39 Original Price: $194.20 HYPERFILL RA CONTACT TIP, .040 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! HYPERFILL RA CONTACT TIP, .040 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000