High quality materials: Chainsaw chain template made of high quality diamond sand. The uniform and homogeneous distribution of the grinding wheel granularity ensures efficient polishing performance and long service life. 30pcs Mill Set: Sharpen your chainsaw chain with the sharpener to reduce effort when cutting wood, as sharp blades allow for cleaner and more precise cuts. Makes sharpening easier: No need to remove or replace the chain. Quickly restore your chainsaw chain to optimal condition in minutes. Assorted Sizes: Package includes 10pcs 4mm, 10pcs 5.5mm, and 10pcs 4.8mm replacement stones. Suitable for sharpening chains on both gasoline and electric chainsaws. Widely used: Ideal for sharpening saw chains and for surface finishing on metal, stainless steel, iron, copper, wood, plastic, and other materials. 30 Pieces Chainsaw Chain Sharpening Jig, Diamond Sharpener Chainsaw Chain Sharpener, Chainsaw Chain File, 3 Different Sizes for Chainsaw Sharpening and Sanding. Features: Sharpen your chainsaw chain with the sharpener to reduce cutting effort and achieve cleaner cuts with sharp blades. The chainsaw sharpening accessory kit quickly sands the chain in seconds, improving work efficiency. Designed for a wide range of applications, including polishing and shaping on plastic, metal, and wood surfaces. Specifications: Item: Chainsaw sharpener tool Size: Assorted sizes – 4mm, 5.5mm, 4.8mm