- M10 L-Bracket Screw: Designed specifically for mounting solar photovoltaic systems on trapezoidal roofs. - Durable Stainless Steel Construction: Our M10x200/250mm screws are crafted from high-quality stainless steel, ensuring long-lasting performance for your solar installations. - Adjustable Height with Hex Drive: These screws feature an adjustable height mechanism and are equipped with a hex drive for easy installation. Each screw comes pre-assembled with a weather-resistant and UV-stable EPDM seal and locking serrated nuts for added security. - Versatile Applications: Ideal for securing aluminum profile rails for solar modules on roofs. Suitable for use on metal or corrugated roofs and can also be utilized for wall mounting with rear ventilation. - Compatibility with Groove Stone Sizes: Please refer to the image for groove stone sizes to ensure compatibility with your rail system prior to purchase. This product is engineered to provide reliable, weatherproof mounting solutions for your solar energy needs, ensuring optimal performance and peace of mind.