Specification: Material: high speed steel Quantity: 7pcs
Features: - Easy for apply and use. - It can be easily screwed onto an electric grinder and can easily sharpen chains and serrated blades. - High-speed steel grinding heads have features of high hardness, high wear resistance, high heat resistance and impact resistance, no worry about it being damaged.
Package Included: 1x Mini caliper 5x Grinding Stone 1x Mini wrench