Structure-toothed carbide end mill, round, 9 mm. Leaves a rough finish, perfect for material removal. Spindle arm diameter: 3.2 mm. Working diameter: 9 mm. Highest speed: 35000 min-1. Package contents: 1 pc. Compatible with any multi-tool with a 3.2mm collet, such as Ryobi, Dremel and other brands.