Satin Nickel Finish; Keyed Alike Entry Door Knobs(All locks could be opened with ONE key) For use on exterior doors where keyed entry and security is needed, such as a entrance door or side door Features an adjustable latch 2-3/8" or 2-3/4"(60mm or 70mm) to fit all standard doors 1-3/8 '' to 1-3/4 '' (35mm-45mm) thick. Notice: The round corner latch plate is non-removable Conformed with ANSI Grade 3 Security. Metal construction adds strength, security and durability If there is any quality problem with your purchasing, please contact us. We will refund the item value or send a replacement