Lincoln K and KP Numbers › Lincoln Electric KP2124-8 GUIDE TUBE INSERT, 068-7/64, OUTGOING Lincoln Electric KP2124-8 GUIDE TUBE INSERT, 068-7/64, OUTGOING Sale Price: $6.63 Original Price: $7.43 GUIDE TUBE INSERT, 068-7/64, OUTGOING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! GUIDE TUBE INSERT, 068-7/64, OUTGOING PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000