End clamp It holds the edge of each ¡®end¡¯ panel. Accommodate solar panels of thickness between 35 and 50mm.These are fastened with a 8mm hex driver/Allen key. Quickly, easy and securely mount your modules to our rails from the top, clamp onto any point of the module frame. And ideal for flush mount projects. Features: 1, Easy Installation The tilt-in module can be put into the extruded rail from the any location and can be high pre-assembly with the U-nut to minimize the time and cost of installation. 2, Great Flexibility With the Stanwic racking system, framed solar panels can be easily mounted . Excellent compatibility, is suitable for most size solar panel from all the popular manufacturers. 3, High Accuracy Height adjustable 4, Excellent Adaptability Engineered to High Standard Stanwic racking system is safe and strong, 5, Maximum Lifespan Made of quality extruded aluminum and stainless steel. The high corrosion resistance guarantees the maximum possible lifespan and is also completely recyclable. 6, Guaranteed Durability Stanwic provides a guarantee of 10 years on the durability of all components used