1. Color: Pink; Grinding Head Diameter: 4mm/0.16'; Grinding Head Length: 20mm/0.79'; Shank Diameter: 3mm/0.12'; Total Length: 45mm 2. Advantage: These chainsaw sharpeners are forged with diamonds, ensuring firm adhesion to the surface without easy detachment. The particles are fully and evenly distributed, guaranteeing stable and efficient grinding of the chainsaw. They are resistant to wear. The wheel sander replacement is easy to install and allows sanding without chain removal. These grinding tool accessories save time and effort, significantly improving work efficiency. 3. Instructions: Firmly hold the handle and place the grinding head on the surface to be sanded, then rub it back and forth. 4. Application: This stone file is suitable for surface grains, polishing, etc., on various materials such as metal, stainless steel, steel, copper, wood, and plastic. These diamond chainsaw sharpeners are widely used for grinding saw teeth, glass, jade, models, bearings, machinery, and metal rust removal.