The Ryobi RAR501-2 4 mm grinding stone is ideal for chainsaw sharpening. Compatible with Ryobi rotary tools and all other rotary tools with 3.2mm (1/8") collet.
The Ryobi Rotary Accessories range is specially designed for all art and hobby applications. All accessories have a universal 3.2mm diameter shank, allowing easy switching between accessories and ensuring compatibility with any rotary tool with 3.2mm shank. The Ryobi Range helps unleash your creativity!