The Plastic Round Cap is specifically designed for tubes with an outer diameter (OD) of 13mm and a wall thickness ranging from 0.8mm to 2mm. Made from durable plastic, this round cap provides a protective covering for the ends of tubes, ensuring their safety and cleanliness. It effectively prevents dust, dirt, or debris from entering the tubes, maintaining their integrity. The cap is easy to install, securely fitting over the tube ends and staying in place. Whether you're engaged in DIY projects, furniture assembly, or any other application that requires tube protection, this Plastic Round Cap is a reliable choice.