Tubular locks are made of quality antique brass finish to prevent them from breaking or being tampered with easily. The lock is also waterproof so it does not get corroded very fast. Plus, the antique brass color of the lock provides a royal finish to your house or office doors and makes it look beautiful.

• EASY INSTALLATION: Install your door knob in a flash, mounting screws & instruction & customized screwdriver are included, you can do it by yourself.
• DURABLE: with ANSI Grade 3, Exceeds 200,000 cycles. Antique Brass Finish knobs with high-grade copper lock and keys, high quality,durable, and resist corrosion.
• APPLICATION: This door knobs includes three BRASS keys per set, used for exterior door or interior door where security is needed.
• DIMENSIONS: Adjustable latch with back-set is 2-3/8″ or 2-3/4″(60mm or 70mm) to fit all standard doors in the thickness of 1-3/8 ” to 1-3/4 ” (35mm-45mm).
• WARRANTY: If there is any quality or installation issue with our products, please feel free to contact us, we will reply you in 24 hours