Durable Grinding Stones: Crafted from brown corundum, our chainsaw sharpening stones are wear-resistant and durable, ensuring long-term use without degradation. Efficient Sharpening: Designed to be installed in pole-mounted sharpeners, these grinding stones work as attachments, offering a quick and easy method for sharpening chainsaw chains. Achieve sharpness from dullness in just 3-5 seconds. Wide Application: Suitable for metal polishing, especially for post-heat-treated steel parts, making it the perfect tool for sharpening chainsaw chains. Convenient Installation: The grinding stones for chainsaw sharpeners are easy to install and offer excellent heat dissipation. With no need to disassemble the chain, you can polish it effortlessly, saving you time and effort while effectively increasing work efficiency. Packaging: Each package includes 20 crescent-shaped grinding stones, providing an ample supply for your sharpening needs., Manufacturer: SG Store