Size: 12.6 x 2.4 inches (32 x 6 x 2.5 cm). This is a kind of fine chain grinding tool, optimized shape for more precise guidance, helps improve the efficiency of chain saw work. Allows the user to operate directly with a chainsaw without accidentally scratching the finger. Both sides of the grindstone are designed with handles for easy operation. Sharpen the chain quickly and easily makes the saw chain sharper and easier to use. Try it! Features: 1. Manual chain grinding tool can quickly and easily sharpen any chain. 2. Optimized shape for more precise induction, help improve the efficiency of chainsaw work. 3. Practical tool for quickly sharpen teeth and depth gauges in one step. 4. User can directly operate with chain saw without accidentally scratching the finger. Both sides of the grindstone are designed with handles for easy operation. 5. Sharpen the chain quickly and easily makes the saw chain sharper and easier to use. Just manually rub back and forth to make the chain smooth and light again. Suitable for any size chain saw