Features: Long lasts and wear resistant :These 12pcs grindings head for chainsaw chain.Crafted with quality diamond material, ensuring durability and excellent performances. Various sizes available: Suitable for different types of chainsaws, these grindings head come in 3 different diameters to meet your specific needs. Suitable for wide users:Whether you a professional or DIY enthusiasts, these grindings head is perfect for sharpening chainsaw chain and polishing various materials. Wide applications: In addition to chainsaw chain sharpening, these grindings head can also be used for polishing and buffing different surfaces, providing functionality. Achieve precise and smooth results:Experience the highly performances of these grindings head, delivering precise sharpening and smooth finishes for chainsaw chain and other materials. Specifications: Material:Corundum 1Set includes 4pcs 4mm Diamond Chainsaw Sharpener+4pcs 4.8mm Diamond Chainsaw Sharpener+4pcs 5.5mm Diamond Chainsaw Sharpener; Package Includes: 4pcs 4mm Diamond Chainsaw Sharpener 4pcs 4.8mm Diamond Chainsaw Sharpener 4pcs 5.5mm Diamond Chainsaw Sharpener note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.