door lock 1) material : brass 2) speicification: 16.5*9.5*32.5 ... Size : 54 ~ 100mm2) Material : brass,iron,aluminium alloy and zinc alloy3) Surface finishing : brass polished,nickle plated ,chrome plated,golden ... ,nickle brushed,brass brushed,matt4) Normal key or ... pls kindly contact me to know . 54mm brass door lock