Crafted with stainless steel construction, hardware includes interior / exterior handles, 2 keys, adjustable screws for various door thicknesses (1 3 / 16 " & 3 / 4 "), and a mortise for seamless installation on wooden or metal doors Engineered with machined components and finishes, this stainless steel door handle combines modern aesthetics with for long term across standard and door configurations Perfectly suited for interior / exterior doors, apartment entries, partitions, and glass sliding doors where robust keyed locking functionality meets daily durability demands Ideal for homeowners, renters, and property managers seeking to upgrade door security systems in residential or commercial spaces requiring access This keyed entry door features an external handle with a secure cylinder mechanism, allowing side locking for enhanced home security and through indoor control, Manufacturer: SHYYOULQE