Specifically designed to upgrade 100mm grinders to 125mm, this back plate seamlessly fits various grinding heads, eliminating the hassle of frequent replacements Equipped with a to accidental detachment of grinding heads, enhancing user protections during operations Use premium carbon steel for wear resistance and durability, ensuring long time even under heavy use Great for polishing and grinding metal, wood, and other materials, perfect for craft project, auto repair, and professional craftsmanship Features a standard flange nut for tool freely installation and removal, saving time and effort during setup, Manufacturer: Whoasyst