1. Adjustable and Secure: The M10 screw with Langle solar PV trapezoidal sheet roof mounting features stainless steel threaded rods (M10 x 200/250 mm), designed for the secure installation of solar photovoltaic systems. The height is adjustable and comes with a hex drive SW7 for easy installation. The device is fully preassembled and includes a weather and UVresistant EPDM seal and locking serrated nuts. 2. Versatile Installation: This bracket is designed for roof mounting to accommodate your aluminum profile rails, to which the solar panels/photovoltaic systems are attached. It is suitable for use on metal or corrugated roofs and can also be wallmounted with rear ventilation. This versatility allows flexible installation options to meet various requirements. 3. Construction: Made from an aluminum alloy and stainless steel materials, this bracket is built to withstand diverse weather conditions and ensure longlasting performance. The materials used provide durability, making them suitable for outdoor use. The silver color adds an elegant and stylish look to your solar photovoltaic system. 4. Compatible Rail SizesPlease check the groove dimensions shown in the images before to ensure compatibility with your specific rail size. This attention to detail ensures a proper fit and secure fastening of your solar panels/photovoltaic systems, giving you peace of mind.