Hello HDB owners, looking for a orginal lock for your mailbox/letter box? Here you are. With 3 new keys will be provided. P.S stocks are limited at the moment due to covid19. Please do call us to check for availability of stock. 86861100 Cheers Stay safe stay home Locksmith singapore Prosmith & lock co #locksmith #locksmith-singapore #locksmith-services #mailbox-jam #mailbox-lock