Classic Coin Lock The Classic coinlock is equipped with a robust hookbolt which creates a very strong connection between door and frame. Access to locking the coinlock is granted with a predefined coin. Most of the available coins can be used in the lock. The Classic coinlock can be equipped with a fixed cylinder from the high or medium security level or a changeable cylinder from the medium security level. A changeable cylinder has several advantages like the possibility to change the cylinder on the coinlock fast and easy if keys are missing. There are two available models depending on the environment that the lock will have to work in. One model for dry areas and another for wet areas with materials chosen to work in humid and corrosive environments such as swimming areas. All locks can be delivered for right hand and left hand doors.