The Tower Hook Steel Locking Carabiner by Malta Dynamics is a high-quality and durable safety accessory designed for use with safety harnesses. With a maximum weight recommendation of 3600.0 lbs and made from zinc plated alloy steel, this double-locking carabiner is OSHA & ANSI compliant and features a twist lock design for added security. The large tower hook style and D-shape design make it easy to use and ensuring a secure connection in various industrial and safety applications. This single pack carabiner is a reliable and essential component for personal protective equipment (PPE) in facility maintenance and safety settings.