Plastic square cap 18x18mm (1.5-3mm wall thickness)

The Plastic Square Cap is designed for 18x18mm square tubes with a wall thickness ranging from 1.5mm to 3mm. Made from high-quality plastic, this square cap provides reliable protection and a clean finish to your square tube ends. It effectively covers and seals the tube, preventing the entry of dust, dirt, and moisture, ensuring the durability and performance of your tubes. The cap is easy to install and fits securely without the need for additional tools or adhesives. Whether for furniture, DIY projects, or other applications, the Plastic Square Cap is an essential accessory for maintaining the quality and appearance of your square tubes.