PACKAGE CONTENTS: Comes with 10 grinding wheels, convenient to carry and store, enough for you to apply in daily life and meet your replacement needs. PREMIUM MATERIAL: These grinding wheels are made of good hardness grinding wheels, suitable for metal polishing, especially for steel parts, durable and not easy to break. Efficient and portable: The grinding wheel is lightweight, . It allows you to quickly and easily sharpen the chain while staying on the saw. while other types of chains require you to manually file and grind the chain to maintain sharpness. EASY TO USE: The chainsaw sharpener grinding wheel is easy to install and has good heat dissipation, you can apply it to polish without disassembling the chain, saving you time and effort, effectively improving work efficiency. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.