1. [Standard Front Door Handle] The front door lock set is professionally manufactured to fit all standard doors in 1-3/8" to 1-3/4" thickness. The backset of the latches can be adjusted to 2-3/8" or 2-3/4". The hole drill of the handle can be adjusted from 7-7/8" to 9". Easy to install with fit on standard pre-drilled doors. (Please note the latch plate is non-detachable.) 2. [Heavy-Duty Material] Front entry handle is to be used with an existing deadbolt or electronic smart deadbolt lock. Solid zinc alloy adopts advanced electroplating spray paint and has high-strength anti-corrosion ability, smooth surface without impurities. ANSI Grade 3 standard, door handles are designed and tested with strength and durability in mind. Suitable for commercial & residential. 3. [Front Door Lock Handle Matches] Entry door handleset is including door handle, door lever, latch bolt (Not Include Deadbolt). Oil rubbed bronze front door handle is matches for deadbolts, entry door lock, electronic and so on. Suitable for front doors, back doors or office doors, anywhere keyed entry and security is needed, create a , warm, comfortable living space for your family and children! 4. [Easy to Install] It is easy to mount with a phillips head screwdriver, and the adjustable latch design is can fit the most standard residential door. Please note this handle set does not include any locking mechanism and keys, and do not violently disassemble or assemble, otherwise the lever may be stuck and unable to move.