GUIDE BAR NUTS - Fits CS-271T, CS-303T, CS-310, C S-330T, CS-341, CS-3510, CS-352, CS-355T, CS-370, CS-370F, CS-400, CS-400F, CS-450, CS-450P, CS-4510, CS-490, CS-4910, CS-500P, CS-501P, CS-590 Timber Wolf, CS-600P, CS-620P, CS-620PW, Fits Most Other ECHO Chainsaws "YOU CAN DO IT, It's Easy! Using ECHO's YouCan? Maintenance Guide Bar Nuts will help keep your ECHO chainsaws running at peak performance. Be proactive. By staying on top of recommended maintenance schedules, you not only prolong the life of your ECHO equipment, but you save yourself time and money by reducing large scale repairs often incurred by not properly maintaining equipment. Kit Includes: ? (2) each of (2) sizes of Guide Bar Nuts TOP FEATURES Includes (2) each of (2) sizes Original equipment quality Easy to do Prices are subject to change without notice.*
