Looking to improve the cutting quality of your pre 2020 model year 310, 315, or 315X Automower? If the serial number of your mower starts with 16, 17, 18, or 19, then this kit includes everything you will need to upgrade the cutting ability of your 310, 315, or 315X. This improved cutting disk and skid plate combination allows more of the cutting blade to be exposed. This included cutting disk uses flange headed mounting screws which also included in this kit. 
 
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