BS01: solid brass, glossy finish

BS02: solid brass, aged to an antique brass finish

BZ01: solid brass, light brown patina

BZ02: solid brass, dark patina

BZ03: solid brass, very dark patina, almost black

NI01: solid brass, plated nickel in glossy finish

NI02: solid brass, plated nickel in mat finish

NI03: solid brass, plated nickel with dark patina

More information here

All pulls are mounted with one included M4 screw.