Lincoln K and KP Numbers › Lincoln Electric KP2099-1 EXTENSION GUIDE ASBLY, 3/4 INCH ESO Lincoln Electric KP2099-1 EXTENSION GUIDE ASBLY, 3/4 INCH ESO Sale Price: $91.85 Original Price: $102.87 EXTENSION GUIDE ASBLY, 3/4 INCH ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! EXTENSION GUIDE ASBLY, 3/4 INCH ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000