Long Lasting and Durable Material:The front door handle set is made of high quality Zinc Alloy.The door handle surface is rendered smoother and more resistant to corrosion after undergoing specialized processing.Even in coastal or humid conditions, they maintain a smooth and clean finish, resisting paint peeling. SECURE and STYLISH:The exterior front door handle set is compatible with all mechanical deadbolt or keyboard smart deadbolt lock on entry doors and front doors.The Lower Half Handleset features a simple and sleek design that complements all home decor styles. Long-Lasting and Durable:Conformed with ANSI Grade 3 Exceeds 250,000 cyles and 5 pins brass tumbler cylinder;Solid Column security bolt for anti-sawing protection.If it is opened and closed eight times a day, it can be used for 85 years. SIMPLE and EASY INSTALLATION:Easy and simple fitting helping to save you time and gives a safer and more secure installation. No small and fiddly parts, just reliable solid hardware that will pass the test of time.Packaged individually to ensure they arrive to you in perfect condition - every time.The front door entry handleset can be installed on both right-handed and left-handed doors. Adjustable Latch：Adjustable Latch with Backset 60mm(2-3/8 ) or 70mm (2-3/4 );Fit all doors 35 to 45 mm ( 1-3/8 to 1-3/4 )thick;Adjustable distance from the center hole of the handle to the center hole is 7-3/4 to 9-7/32 .Can be used for almost most door sizes.Notice: The latch plate is square,and can't removable. ASIN B0FXWPP5VS Color Oil Rubbed Bronze Shape L-Shaped Brand Name Probrico Metal Type Zinc Unit Count 1.0 Count Handle Type Lever Finish Types Oil Rubbed Manufacturer Probrico Model Number 991L Material Type Zinc Exterior Finish Bronze Handle Material Bronze Number of Items 1 Hand Orientation Ambidextrous Included Components Installation Hardware Item Dimensions L x W 1 L x 1 W Handle Attachment Mechanism bolt