4 pieces corundum lawnmower blade sharpening heads designed for use with a hand drill. These wear resistant grinding heads restore cutting edges quickly and extend the life of lawnmower blades and other metal garden tools. Key benefits Faster maintenance: Mount to a standard hand drill to grind a dull blade in minutes, saving time compared with manual sharpening methods. Consistent edge: Abrasive corundum material produces an even, repeatable bevel for improved cutting performance. Durable and economical: Wear resistant heads provide multiple sharpening sessions so blades stay usable longer. Easy to use: Compact grinding heads are simple to install and operate with common drills and basic hand tools. Features and attributes Quantity: 4 pieces included for repeated use or to equip multiple tools. Material: Corundum abrasive for effective grinding and long service life. Function: Designed as replacement grinding heads for sharpening lawnmower blades using a hand drill. Compatibility: Intended for use with most standard hand drills and typical lawnmower blades and cutting tools. Works well for routine blade maintenance. Size and form: Compact, lightweight grinding heads that are easy to hold and store. Performance Efficient material removal without excessive heat buildup when used with light consistent pressure. Produces a clean edge suitable for standard lawn mowing requirements. Suitable for periodic touch ups and restoration of moderately dull blades. Typical applications Refreshing lawnmower blades after a season of use to maintain cutting quality and reduce tearing of grass. Quick edge touch ups on garden shears, trimmers, and small cutting tools that accept a drillmounted abrasive head. Onsite maintenance for landscaping contractors or weekend gardeners who need a portable sharpening solution. How to use Secure the grinding head in the chucked hand drill according to drill instructions. Clamp the blade or tool securely and hold the drill at a steady angle that matches the original blade bevel. Apply light, even pressure and move along the edge until the desired sharpness is achieved. Inspect the edge and repeat as needed. Clean metal filings from the blade before reinstalling. Care and tips Use moderate drill speed and avoid prolonged contact in one spot to prevent overheating. Wear eye protection and gloves during use and follow standard tool safety practices. a grinding head from the set when abrasive performance noticeably decreases. What is included Four corundum grinding heads for hand drill mounting. Suitable for regular maintenance of lawnmower blades and similar cutting tools. This set provides a practical, affordable way to keep blades sharp between professional services and reduces downtime for lawn and garden equipment.