ECHO Chainsaw Bar Nuts Maintenance Kit Keep your ECHO chainsaw secured and running properly with ECHO Chainsaw Bar Nuts. These replacement bar nuts help ensure your guide bar is firmly attached, allowing your chainsaw to operate safely and efficiently. Staying on top of simple maintenance like replacing worn or damaged bar nuts can help extend the life of your equipment and prevent unnecessary downtime. What's Included in the Guide Bar Nuts Kit: Guide Bar Nuts: Includes (2) each of (2) different sizes to fit a wide range of ECHO chainsaws. Why Choose ECHO Chainsaw Guide Bar Nuts? Original Equipment Quality - Genuine ECHO parts are built for dependable fit and performance. Secure Bar Mounting - Helps keep your guide bar properly fastened for safe and reliable cutting. Simple Maintenance - Quick and easy replacement to keep your chainsaw ready for the job. Versatile Fitment - Includes two different nut sizes designed to fit multiple ECHO chainsaw models. Whether you're replacing worn hardware or keeping spare parts on hand, ECHO Chainsaw Guide Bar Nuts make it easy to keep your saw properly maintained and ready to perform. Fits Models: ECHO Chainsaw Guide Bar Nuts are compatible with the following models: Chainsaws: CS-271T CS-303T CS-310 CS-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 Order ECHO Chainsaw Guide Bar Nuts today to keep your chainsaw properly secured and ready for the next job.