This is a diamond file. It's a slim type for precision work and can be used for processing metal, glass, ceramics, plastic, etc., as well as deburring and fine adjustments. It has only been used once for testing, so it feels almost new and is in good condition. There is no peeling of the diamond particles or significant deterioration. Recommended for DIY, model making, accessory processing, etc. 【Condition】 ・Number of uses: Only 1 time ・No noticeable scratches or stains ・Sold as is (please check the photos) Please purchase only if you understand that this is a used item. Please refrain from purchasing if you are sensitive to the condition of used items.