Reminder: Keyed Entry Lock, All KEYS SAME(1 key open all locks), 3 keys/set,totally 3 keys [PRODUCT FEATURES] All Keyed alike entry door knob and deadbolt set(all locks can be opened with one key), single cylinder deadbolt(keyed outside and turn button inside); Made from solid stainless steel; Door knobs set in Satin Nickel [APPLICATION] For use on exterior/front doors where keyed entry and security is needed. Designed to complement modern contemporary style interior and exterior/entrance doors for commercial and residential applications [Specifications]: Conformed with ANSI Grade 3 Security, Exceeds 200,000 cycles. Satin nickel finish stainless steel knobs with high-grade copper lock and keys, high quality,durable, and resist corrosion. [Flexible Installation]: Adjustable latch 2-3/8"or 2-3/4"(60mm-70mm); Fit standard door thickness: 1-3/8"to 1-3/4"(35mm- 45mm); SCRATCH RESISTANCE screwdriver, instruction and necessary fitting components included Service:pleas