Sturdy materials Construction: sturdy Thermoplastic Rubber and PP materials ensures long time durability and stability Great for both home users and professional seeking cost effective, efficient tools that withstand frequent use Odors Proof Design: Made from Thermoplastic Rubber and PP materials to ensures without unpleasant smell, providing a comfortable working environment for indoor use Ideal for users who need long hours of operations without odors irritation Flat and Round Holes Included: Comes with various sizes of flat and round holes to meet grinding needs Suitable for craftsmen handling fine processing tasks with different shapes and sizes of workpieces Double Color Handle Identification: Features two color design for quick identification of different files, enhancing work efficiency Perfect for professional who frequently switches tools, saving time and improving workflow Ergonomic Grip: Designed with ergonomic handles for comfortable holding and reduced fatigue during prolonged use Ideal for users engaged in extended grinding work, ensuring better comfort, Manufacturer: Kaeltsyn