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