Features: Adopting advanced mirror polishing technology, this file have a smooth surfaces, which can effectively reduce damage to the model during polishing and ensure perfect presentation of detail. Crafted from tempered glass material, both wear resistance and toughness, suitable for processing and finishing various hard model materials such as plastics, resins, etc. Specially suitable for models, water jet polishing, and various DIY model making, it is essential for model enthusiasts and players to meet different project needs. The handle, ergonomic grip, provide a comfortable grip, facilitates long-time operation, is less prone to fatigue, and improves work efficiency. It can easily remove water outlets and burrs, improve the smoothness of the model surfaces, and help you achieve higher quality model works. Specifications: Component: Glass Type: Round, Pointed, Square Length:Approx.135mm/5.31'' Package Includes: 1Piece Glass File note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.