Package Included: 4 Pack Lawn Mower Blade Sharpener for Electric Drill and Hand Drill Size: 50 x 47mm / 1.97 x 1.85in (DL) Lawn mower blade sharpener is designed with balanced rotation for smooth operation Get a clean edge: The blade sharpener features a durable grinding wheel that is strong and sturdy, helping restore mower blades to a clean, sharp edge Convenient to use: This sharpener is compatible with both electric and hand drills, making it easy to sharpen dull blades for improved mowing performance with less effort Works with electric drill and hand drill, offering convenience and high efficiency Always replace your blade with an exact replacement blade Product Specification: Lawn Mower Blade Sharpener for Hand Drill Hand Drill Sharpening Blade Grinder Blade Package Included: 4 x Lawn Mower Blade Sharpener Product Details: Color: Blue Size: 50 x 47 mm / 1.97 x 1.85 inch (DL) Quantity: 4 Pieces Product Highlights: Lawn Mower Blade Sharpener compatible with electric drill and hand drill, convenient and efficient The grinding wheel is strong and durable, designed to sharpen blades effectively for improved cutting performance Note: Measurements are manually taken; please allow 1-3cm error. Due to differences in lighting and display, colors may vary slightly from the actual product.