Feature: 1. [Efficient Deburring] The key machine brush is designed to easily remove burrs from key surfaces, with precise bristle positioning device, ensuring that every burr can be brushed. 2. [Soft Nylon Bristles] The brush features soft nylon bristles that effectively remove burrs without scratching or damaging the surface, providing gentle yet thorough cleaning. 3. [Multi Functional] This nylon brush is not only suitable for deburring key burrs but also can be used for cleaning the dust inside the keyhole, removing accumulated debris etc. 4. [Reliable Construction] Made with nylon and stainless steel materials, this key machine deburring brush is built to last, sturdy and resilient, ensuring long term use and durability. 5. [Practical Tool] Burrs can cause friction between the key and lock cylinder, affecting the user experience. Using this deburring brush to effectively solve this problem. Specification: Item Type: Key Machine Deburring Brush Material: Nylon, Stainless Steel Size (L x H x ID): Approx. 120x15x10mm/4.72x0.59x0.39in. Package List: 1 x Key Machine Deburring Brush