DoorHub offers the Both Side Key Cylinder 40 Black, a premium locking solution engineered for developer-grade residential and commercial projects across the UAE. Designed with a matte black finish, this double-cylinder lock provides key access from both sides, delivering both convenience and modern styling. Built from durable zinc alloy, it ensures long-term reliability for flush and invisible door systems. Available in bulk stock for immediate delivery in Dubai, Abu Dhabi, and across the UAE.