OEM Part Numbers: Includes tensioner slider (Part No. 346859-4) and adjustment screw (Part No. 324620-9) for precise control of chain tension and smooth operation. Compatible Models: Designed specifically and compatible with Makita electric chainsaw models UC3541A, UC4041A, UC3041A, ensuring a perfect fit and seamless integration with your chainsaw. Precise Chain Tension Adjustment: This chain tensioner kit ensures smooth chain movement and optimal cutting performance for your electric chainsaw, enhancing its efficiency and longevity. Material: Made from metal, this chain tensioner kit is built to last, offering long-term reliability and performance in demanding chainsaw applications. Complete Kit: The package includes 1x tensioner slider and 1x adjustment screw, providing everything you need to replace or upgrade the tensioner mechanism on your chainsaw., Manufacturer: OTOTEC