The Simplicity 1722128ASM Lawn Tractor Support Seat provides structural support for the seat assembly, helping maintain a stable and secure seating position during operation. This support component works with the seat, mounting hardware, and related seat-deck parts to hold the seat assembly properly in place. Its sturdy construction helps support regular use and operator stability whi... https://www.wholetoolbox.com/simplicity-1722128asm-lawn-tractor-support-seat/1722128ASM.html