- 40×40 Radius 40 Series Plastic End Cap are designed to push directly onto the ends of aluminium extrusion profiles, providing a clean, protective, and functional finish. Made from durable Nylon, these end caps enhance the appearance of your assemblies while protecting the extrusion ends from damage and wear. They also help prevent injuries by covering sharp edges, making them an essential addition to any aluminium extrusion based project. Installation is simple — just push into place, a light tap with a rubber mallet may be required. Key Features Simple Installation: Pushes onto the end of the extrusion; may require a light tap with a mallet for a secure fit. Edge Protection: Shields the extrusion ends from damage, impacts, and wear. User Safety: Covers sharp edges to reduce the risk of cuts or injury during handling. Aesthetic Enhancement: Provides a clean, professional appearance to finished assemblies. Durable Material: Made from strong, wear-resistant Nylon for long-term performance in various environments. Application Plastic End Caps are ideal for finishing aluminium extrusion frames in workstations, machine enclosures, display systems, and modular assemblies. They improve the overall look of the structure while protecting the extrusion ends from knocks, dirt, and moisture. By covering sharp or rough edges, they also make your assemblies safer for users. Simple to install and extremely durable, Plastic End Caps are a functional and cost-effective finishing touch for any extrusion-based project.