Features: 1. Sharpening file is made of high quality T12 carbon tool steel, which is incisive and durable with high hardness and long service life. 2. The handle grip is made of PP+TRP material, environmentally friendly, non-toxic, non-slip and comfortable. 3. Special tooth shape design, even and smooth, effectively improve the cutting ability. 4. Ergonomically designed handle, comfortable grip, not hurt hand, no fatigue and more efficient use. 5. Suitable for use on all metal materials including steel, copper, aluminium and many more. Specification: Condition: 100% Brand New Item Type: File Material: T12 Carbon Tool Steel+PP+TRP Color: As shown in the picture Size: Approx.31.5cm/12.4in Weight: Approx.163g/5.7oz Application: Used as sharpener File Teeth Size: Middle teeth File Texture: Single texture Cross Section Shape: Flat Package List: 1 x File Features High Quality Material: Made from T12 carbon tool steel, our sharpening file is durable, incisive, and has a long service life, ensuring precise and efficient sharpening. Comfortable and Non-Slip Grip: The handle grip, made of environmentally friendly PP+TRP material, provides a non-toxic, non-slip, and comfortable grip, allowing for extended use without hand fatigue. Enhanced Cutting Ability: Our file Features a special tooth shape design that ensures even and smooth cutting, improving the overall cutting ability for optimal sharpening results. Ergonomic Design: With an ergonomically designed handle, our file offers a comfortable grip that minimizes hand strain and allows for more efficient and effortless use, enhancing productivity. Versatile Application: Suitable for use on various metal materials, including steel, copper, aluminum, and more, our file is a versatile tool that meets the sharpening needs of engineers and professionals across different industries.