Use the EGO 21 in. Mower Blade when you need a fresh, sharp blade for your EGO POWER+ 21 in. mower. This genuine EGO replacement lawn mower blade is designed to chop, dice, and mince grass clippings into fine pieces for a crisp and clean look. This 21-inch lawn mower blade delivers good universal performance for mulching, bagging, and side discharging. Genuine EGO parts like lawn mower blades ensure compatibility, quality, and performance.