The Plastic Rectangular End Cap Tube Insert is specifically designed for 50x10mm rectangular tubes. This cap serves as a protective insert for the open ends of your tubes, offering a secure and clean solution. Made from high-quality plastic material, the cap provides durability and resistance to impact and abrasion. With a precise fit, it ensures a tight and secure placement on the tube ends, preventing dust, dirt, and moisture from entering. The cap has a thickness of 0.8-2mm, providing reliable protection for your tubes. It is easy to install, making it suitable for various applications such as furniture, DIY projects, and more. Choose the Plastic Rectangular End Cap Tube Insert for efficient tube protection and a polished appearance.