This limited edition antique pocket flip lock is the perfect size for pockets, small flaps, or wallets! Flip locks are easy to open and close; just insert the metal flip through the opening of the rectangular unit, and push flip down to close. All of the components to create one flip lock closure are included. It is very easy to attach. The base unit of the lock is installed with two screws and the flip unit is easily installed with prongs. It measures 3.1cm wide and 1.7cm high.