MUTOGLAVA Adjustable String Trimmer Support Wheel Attachment, 6″ Wheels Auxiliary Walk Behind String Trimmer with 26mm (1 Inch) Fixed Seat and 2 Silicone Pads for Weed Trimmer Grass Cutter Holder Price: $41.99 (as of 21/05/2023 12:37 PST- Details)

Without wheel trimmer support when u holding tools for a long time will cause sore hands and shoulder pains. Using walk behind string trimmer support wheels could easily solve the issue.
Easy Adjustable: MUTOGLAVA’s newly upgraded support frame height is 14.17inch, total height of the assembled walk behind string trimmer wheels is 19.11”, which is suitable for 5.9ft men. Without bending over, making your weeding work easier
2 Non-slip Silicone Pads: Weed trimmer wheels are 26mm and 28mm shaft tubes which suitable for most backpack mowers on the market. paste on 1mm pads to fit smaller tubes and prevent the string trimmer wheel attachment from loosening during working.