Lincoln K and KP Numbers › Lincoln Electric KP2745-040T-B100 TAPERED CONTACT TIP 550A, .040 Lincoln Electric KP2745-040T-B100 TAPERED CONTACT TIP 550A, .040 Sale Price: $378.57 Original Price: $424.00 TAPERED CONTACT TIP 550A, .040 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000 Add To Cart Added! TAPERED CONTACT TIP 550A, .040 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000