Troy Bilt Blade Nut No. 712-04105. This is an original equipment blade that is for mounting the cutting blade. Replaces part numbers 71204105, 791-181699, and 791181699.
Troy Bilt Trimmer Throttle Trigger No. 753-04119. This is an original equipment Troy Bilt trigger. This will also fit on some MTD and Cub Cadet trimmers.