The combo lockset combines a keyed entry knob with a single-cylinder deadbolt. It operates with a key from the outside and a thumb turn from the inside, providing dual-level security and convenient operation. Wide application Designed for exterior and front doors where key-entry and security are essential. It complements the modern aesthetic of interior and exterior/entry doors in both commercial and residential settings, blending functionality with style. Durability and materials ANSI Grade 3 Security. The lockset exceeds 250,000 cycles, higher than many comparable options that average around 180,000. The exterior lockset is forged from premium zinc alloy and stainless steel, offering rust protection and anti-oxidation performance. It is finished with electroplating for anti-corrosion, with a durable electroplating paint finish for long-lasting use. Installation and compatibility Quick and easy DIY installation; no professional door fitters required—just a screwdriver and a few minutes. The lockset is designed to work on left-handed and right-handed doors, ensuring seamless integration into your existing setup. Use scenarios - Replacing an aging exterior lockset on a residential front door to improve security and ease of use. - Securing a storefront or office exterior door where controlled access and a modern look are important. - Upgrading exterior doors in a renovation or new construction, including multi-door projects, with compatibility for both left- and right-handed configurations.