Single lock: is a panel door lock, perfect for electrical cabinets. HIGH QUALITY: This lock is made of carbon steel, strong and durable. Durable : The paddle entry latch is sturdy, rust and weather resistant, made of textured zinc alloy with a durable black finish. Convenience: The panel door lock comes with 2 keys for easy backup. Harsh Environments: The quality of paddle entry door locks is guaranteed to withstand harsh environments.