The Snapper 771596 Lawn Mower Self-Propelled Lever Kit restores smooth control of the mower’s drive system for reliable operation. This replacement lever kit is designed to engage and disengage the self-propelled mechanism through a simple handle-mounted control. When activated, it transfers motion to the drive system, allowing consistent forward movement without excessive effort. The... http://wholetoolbox.com/snapper-771596-lawn-mower-self-propelled-lever-kit