Simply position them on the roof, align with the mounting brackets, and tighten. These bolts are designed to be suitable for both residential and commercial applications, ensuring that your solar panels are firmly attached. This provides a stable and reliable for your property. Made from stainless steel, these dual-headed wood screws are durable, making them ideal for long-term use. With a length of 25cm, they offer the suit balance of strength and flexibility, ensuring that your solar panels remain securely in place even in harsh weather conditions. Easy to install and highly effective, these bolts are an essential component for any solar panel setup. Features - Color: Silver -Material:Stainless steel - Size: 30.00X1.00X1.00cm/11.79X0.39X0.39in -High load capacity: designed to support high loads, this hanger bolt is ideal for heavyduty solar panel installations, ensuring maximum stability and safety -Stainless steel: the stainless steel material offers excellent, ensuring the longevity and durability of the hanger bolt in outdoor environments -Flexible installation: the adjustable height feature allows for flexible installation, accommodating different roof types and mounting requirements - : engineered with precision, this hanger bolt ensures a suit fit and alignment, enhancing the overall efficiency and performance of the solar panel system -Reliable performance: built to last, this hanger bolt maintains its performance and integrity even after prolonged exposure to harsh weather conditions Package list: 1 x solar panel bolt