Lincoln K and KP Numbers › Lincoln Electric KP2745-030A-B100 0.8MM - .030 CONTACT TIP, 550A Lincoln Electric KP2745-030A-B100 0.8MM - .030 CONTACT TIP, 550A Sale Price: $595.54 Original Price: $667.00 0.8MM - .030 CONTACT TIP, 550A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000 Add To Cart Added! 0.8MM - .030 CONTACT TIP, 550A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 100.000