The Petzl AmD Screw Lock Carabiner is a durable, ergonomic locking carabiner designed for secure equipment attachment and belay system use. Its asymmetrical D shape provides efficient load distribution and makes it easy to manage gear, whether climbing, training, or organizing equipment at Philmont.Built from lightweight aluminum and equipped with Petzls Keylock system, the AmD Screw Lock is easy to handle even when wearing gloves and helps prevent snagging during use. The manual screw lock includes a red visual indicator, allowing for quick confirmation that the carabiner is properly locked, making it a reliable choice for both instructional and technical environments. Locking D shaped carabiner designed for climbing and gear attachment Asymmetrical shape offers efficient load distribution and easy handling Aluminum construction balances strength and reduced weight Manual screw lock gate allows controlled locking and unlocking Red visual indicator sh