1Adjustable Design: The top jaw slide features adjustable functionality, allowing for adjustment based on individual needs and different conditions on the boat, providing the optimal sun and rain protection. 2316 Stainless Steel: Manufactured using high strength stainless steel materials, the top rail mounts offers excellent durability and stability, ensuring reliability in various weather and environmental conditions. 3High Stability: The top jaw slide provides a secure and reliable attachment point for accessories such as sunshades. Its strong grip ensures that the accessories remain in place even during rough seas or strong winds. 4Versatile and Practical: Top hinge rail mount is suitable for 22mm pipe clamp, versatile and can be easily adapted to different boat configurations and designs, maximizing its functionality and usability. 5Simple Operation: Designed for easy installation, requiring no additional tools or professional knowledge, conveniently and quickly installed on the boat, saving time and effort.