Lincoln K and KP Numbers › Lincoln Electric KP1976-3 GUIDE TUBE EXT, 3/32, 2-3/4 ESO Lincoln Electric KP1976-3 GUIDE TUBE EXT, 3/32, 2-3/4 ESO Sale Price: $80.52 Original Price: $90.18 GUIDE TUBE EXT, 3/32, 2-3/4 ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUIDE TUBE EXT, 3/32, 2-3/4 ESO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000