The Makita 21” High Lift Lawn Mower Blade (191W87-2) is for use with Makita LXT® and XGT® 21” Lawn Mowers (mowers sold separately) and is a direct replacement blade. The Increased blade angles enhance air flow for high grass lift. The curved blade ends increase suction for improved mowing on tall or wet grasses. The high circulation under the deck reduces clogging on tall or wet grasses. The High Lift Lawn Mower Blade offers clean cuts that promote better lawn health. It features an easy one bolt blade installation. It is constructed of high-quality materials for a long life.