Lincoln K and KP Numbers › Lincoln Electric KP2745-045T-B100 TAPERED CONTACT TIP 550A, .045 Lincoln Electric KP2745-045T-B100 TAPERED CONTACT TIP 550A, .045 Sale Price: $376.79 Original Price: $422.00 TAPERED CONTACT TIP 550A, .045 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000 Add To Cart Added! TAPERED CONTACT TIP 550A, .045 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000