Features： 1、15°?45° Adjustable: By allowing for manual adjustment of the blade holder angle and angle grinder bushing using thumb screws, our sharpener enables efficient sharpening of multiple blades. 2、Durable: Constructed from thick metal, our sharpener ensures a stable and secure grip on the blade, providing long lasting and reliable sharpening performance. 3、Easy to Use: Open the box, secure the tool to the work surface, make some settings and adjustments, and then start sharpening the blade. 4、Versatile: Our sharpener is suitable for standard straight, mulching, and high lift mower, making it a versatile and convenient tool for all your lawn care needs. 5、Improved Cutting Performance: Sharpening your mower blades with this tool helps enhance cutting performance, resulting in a cleaner and more precise cut for a healthier lawn. Specification： Item Type: Mower Blade Sharpener Adjustable: 15°-45° Compatible with both Right and Left Hand Blades, with most angle grinders Suitable for Blades standard straight, mulching and high?lift mower Package List： 1 x Mower?Blade?Sharpener?? 4 x Bolt 4 x Nut 2 x Screw 2 x Washer 1 x User Manual