Features [Excellent Polishing] Made from premium grinding particles, with uniform and delicate texture, providing excellent polishing performance for a sharply and efficient chainsaw blade. [High Hardness] These sharpening bits have hard texture, excellent rust and wear resistance, sturdy and lightweight, not easy to break, deform or bend. [Main Purpose] Primarily designed for use with a handheld chainsaw sharpener, the stone is widely used for grinding and sharpening chainsaw chains. [Versatile Application] These grinding stones are widely applicable for grinding and carving various workpieces, such as jadestones, ceramics, glass, hard alloys, stones. [Sufficient Quantity] You will receive 5 sharpening stones, allowing for easy portability and storage, ensuring you have an ample supply for daily use and meeting your replacement needs. Specification: Item Type: Chainsaw Sharpening Stone Material: Emery Blade Diameter: Approx. 4.0mm/0.16in Blade Length: Approx. 17mm/0.67in Shank Diameter: Approx. 6mm/0.24in Thread Diameter: Approx. M5 Package List:5 x Chainsaw Sharpening Stone 2 x Nuts 1 x Wrench Package List 5 x Chainsaw Sharpening Stone 2 x Nuts 1 x Wrench