General description The 50 Pieces Burr Grinding Stone File set is designed for effective polishing and sharpening of chainsaws and other metal tools. Each grinding head is crafted from durable grinding stone, ensuring longevity and resistance to breakage, making them ideal for various metal polishing tasks, particularly on steel parts after heat treatment. Technical specifications Diameter of grinding head: 0.16 Inch / 4 mm Length of grinding head: 0.94 Inch / 24 mm Diameter of shank: 0.12 Inch / 3 mm Total length: 1.81 Inch / 46 mm Material: Chrome steel jade + alloy Color: Pink + silver Applicable occasions Machinery Bearing Mold Casting parts deep hole Welding spot Welding seam grinding Burr grinding Package content 50 x Burr Grinding Stone Files Other information