1Sturdy Construction: Made from high strength iron and coated with a zinc surface finish, this quick release horizontal clamp is erosion resistant, abrasion resistant, and highly rugged, with a holding capacity of 500 pounds. 2Adjustable Pressure Screw: The hold down toggle clamp has a press bar with an adjustable pressure screw that allows you to fine tune the clamping distance and pressure, facilitating easier installation and ensuring a secure grip on work pieces. 3Secure Locking Mechanism: The unique self locking design of the horizontal quick release toggle clamp prevents accidental unlocking of the latch, providing added security and peace of mind during use. 4Multifunctional: With its robust construction, erosion resistance, adjustable features, and secure locking mechanism, the horizontal clamp offers a reliable and efficient solution for securing materials in various industrial and woodworking applications. Its durability and ease of use make it a valuable tool for professionals and handcraft enthusiasts alike. 5Wide Application: The horizontal toggle clamp is specifically designed for quick and easy securing of metal sheets, circuit boards, and other materials, making it ideal for woodworking, machinery operating, welding, electronic device assembly, and more. 1 xDouble HeadHorizontalClamp