High-quality materialThe lawn mower sharpener is made of high-quality steel and whetstone, upgraded from the original old ABS plastic material to wear-resistant steel material, the sturdy structure makes it not easy to break and deform, ensuring higher durability and reliability. What You ReceivedThe package contains 3 pieces of lawn mower blade sharpener bits and 1 piece of lawn mower blade balancer, which can meet your needs for a long time and replace as needed. Efficient and FastThe lawn mower sharpener can sharpen the blades easily and quickly, which can help the lawn mower blades become sharp and neat again, and can be trimmed quickly and easily, which greatly improves the efficiency of the lawn mower blades and saves time And energy, long-term good helper. Easy to useBoth electric drill and hand drill can be used, widely used in grinding lawn blades, drill blades, lawn mowers, sickles, rotary tillers, etc. The blade balancer is designed to fit in the center hole of 99% of lawn mower blades and keep the blade balanced. Correct SizeThe size of each sharpening stone is 1.97 x 1.97 inches (D x L) / 50 x 50 mm, and the size of the blade balancer is 2.2 x 2.3 inches (D x L) / 55 x 60 mm. Perfect grinding wheel design, practical and convenient.