The MTD 753-08544 Trimmer Lower Boom Assembly provides a reliable connection between the trimmer’s power unit and cutting head, ensuring smooth operation and consistent trimming performance. Designed as a structural support component, it houses the drive shaft that transfers rotational power to the cutting mechanism, allowing the trimmer to function efficiently during lawn and garden ... https://www.wholetoolbox.com/mtd-753-08544-trimmer-lower-boom-assembly