Reduce your mowing time by installing this MTD 42 Mulching Kit on your equipment. This item eliminates the need to clean up grass clippings. Such kits are commonly used to alter the standard mower blade s ability to recycle the clippings instead of bagging raking or collecting them. This mulching mower blade includes a molded plug metal deck strips mounting hardware and a set of instructions. It fits 42 side discharge deck tractors from 2010 and after.