Lincoln K and KP Numbers › Lincoln Electric KP2745-045T CONTACT TIP - 550A, .045 IN (1.2 MM) Lincoln Electric KP2745-045T CONTACT TIP - 550A, .045 IN (1.2 MM) Sale Price: $36.88 Original Price: $41.30 CONTACT TIP - 550A, .045 IN (1.2 MM) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! CONTACT TIP - 550A, .045 IN (1.2 MM) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000