Features: This complete 4 piece angles grinder adapter plate set ensures versatile compatibility with 20mm, 22mm, and 22.2mm inner hole sizes, allowing for easy upgrades and enhanced efficiency in your power tool setup. Featuring srong iron construction, this grinder conversion set delivers stable installation and stable cutting performances under high load conditions, thanks to its wear resistant and effect proof design. Ideal for both enthusiasts and professional craftsmen, this accessory simplifies the conversion process with user friendly features and clear instructions for quick mastery. Perfect for demanding tasks like heavy duty cutting and grinding in workshops or construction sites, it minimizes operational risks while maintaining consistent results. Expand your angles grinder's capabilities effortlessly with this robust set , designed for long lasting use and seamless functionality across various applications. Specifications: Component : iron Bottom plate : 20/22/22.2mm Card slot: about 14mm/0.6inch Package Includes: 1 setxAngle Grinder Modification Accessories note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.