Lincoln K and KP Numbers › Lincoln Electric KP2879-4 45/60 DEGREE, 550 AMP EXPENDABLE LINER Lincoln Electric KP2879-4 45/60 DEGREE, 550 AMP EXPENDABLE LINER Sale Price: $55.83 Original Price: $62.53 45/60 DEGREE, 550 AMP EXPENDABLE LINER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! 45/60 DEGREE, 550 AMP EXPENDABLE LINER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000