Product information Bath and bed room interior Door Handle Set ●Color&Finish：Bronze ●Material: Zinc Alloy ●Certification: ANSI Grade 3, Exceeds 200,000 cyles ●Package Include Door lever, Latch, cylinder, mounting screws, strike plate and instruction ●Usage: Bath & Bedroom doors where a key, you can open the door wiht coin when kids are locked inside ●Dimension: 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 Door Handle Set Features ★Durable: Over 200.000 circles. Solid colum security bolt to provide anti-sawing protection. Solid stainless steel latch bolt available for high security. The structure is more reasonable and more durable. ★Easy Installation: Mounting screws included, installs with just a Phillips screwdriver ★Brings Functionality to Your Home: While offering the trusted, enduring qualities , this collection features high style for the discriminating consumer These items are designed for US Market to ensure the highest quality for doors lockset and hardware.