Trimmer Mow Ball Fits Husqvarna PPWT60022 PPWT60022X HU325WT HU625HWT TrimmersOne New Aftermarket Replacement Mow Ball Assembly for Husqvarna, Poulan, Craftsman, and Jonsered Wheeled Trimmers This trimmer mow ball assembly mounts at the base of the trimmer head on walk behind wheeled string trimmers, acting as a height guide to prevent the trimmer from scalping the grass. The assembly includes the plastic housing, ball bearing, and retaining ring. Note: the mounting bolt is sold separately. Specifications Includes: Plastic