The Toro 106-5485 Lawn Mower Left Hand Operator Presence Control Lever helps maintain safe and responsive mower operation by enabling the operator presence system. This replacement lever is designed to be engaged during use, allowing the mower to run while providing a means to stop blade or engine operation when released, depending on the model. Built for compatibility with select law... https://www.wholetoolbox.com/toro-106-5485-lawn-mower-left-hand-operator-presence-control-lever