1.This lock is made of Stainless Steel 304 or 201.
2.Main Color: including satin, polished(mirror), matte black, silver, titanium gold, titanium black, rose gold, brass, bronze, and antique brass.
3.Increase your door security.
4.Our door lock sets are made with stainless steel screws for long-lasting strength and durability.
5.No need keys only lock inside.