Lincoln K and KP Numbers › Lincoln Electric KP2099-3 EXTENSION GUIDE ASBLY, 2-3/4 INCH ESO Lincoln Electric KP2099-3 EXTENSION GUIDE ASBLY, 2-3/4 INCH ESO Sale Price: $107.71 Original Price: $120.64 EXTENSION GUIDE ASBLY, 2-3/4 INCH ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! EXTENSION GUIDE ASBLY, 2-3/4 INCH ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000