🔧 Elevate Your Craft with Diamond Precision! Compatible with standard rotary tools. Perfect for both professional and DIY projects. Umbrella shape enhances material removal. Sintered diamond construction for longevity. Crafted for flawless granite finishing. 12mm tip diameter 54mm total length 6mm shank diameter The ToolocitySDBR019 Sintered Diamond Burs are expertly designed for granite work, featuring a medium umbrella shape with a 12mm tip diameter and a robust 6mm shank diameter. With a total length of 54mm, these burs ensure precision and durability, making them ideal for both professionals and DIY enthusiasts.