The Lawn Boy 612079-03 Lawn Mower Blade provides the cutting action needed to trim grass evenly on compatible lawn mowers. This replacement blade attaches to the mower’s cutting assembly and rotates beneath the deck when the engine or motor operates. Its cutting edges contact the grass to produce a consistent cut while the blade’s design supports proper airflow and discharge within th... https://www.wholetoolbox.com/lawn-boy-612079-03-lawn-mower-blade/612079-03.html