FIX-SP-4 is a type of fastener designed to provide a strong and secure method of attaching two pieces together. It is a quick-release panel fastener that is mounted with a single screw, providing a high-strength, low-profile connection between two components. It features an anti-rotate/anti-vibration design that ensures reliable performance and prevents parts from loosening due to vibration or movement. The panel fastener also has an angled edge profile which allows for easy installation and removal, as well as providing superior load distribution between the two pieces. The FIX-SP-4 fastener is ideal for applications where space is at a premium, and can be used in a range of materials, including wood, metal, plastic, and composite panels.