Efficient Nanoglass Design: Glass file features transparent glass teeth and circular grooves for fast and smooth polishing, helping reduce model making time Multifunctional Model Tool: Glass polishing file is ideal for trimming and polishing seams of plastic parts such as figurines and architectural models to achieve a mirror-like finish Material: File is made of glass, allowing for precise machining; handle with care to prevent breakage if dropped Easy to Clean and Reuse: Hobby grinding tool is easy to clean and reuse; simply rinse with water after use, leaving no residue Wide Application: Mirror polished glass file is suitable for miniatures, artwork, wood pieces, model kits, figures, resin materials, and car and aircraft kits Specification: Material: Glass Size: 9cm x 1.3cm / 3.54 inch x 0.51 inch Package Includes: 1 x Polishing File Note: 1. Please allow slight variation due to manual measurement 2. Due to differences in monitor displays, the image may not reflect the actual color of the item