Excel Environ Combination Rack Lock can easily replace the "T" handle lock fitted to Environ racks to offer an alternative to issue keys for access. The user can define the combination that is required to open the lock and it is supplied with a key override. Full fixings are supplied with the lock, to permit fitting to Single or Double doors within the CR, ER & SR ranges. The same lock is used with the 1, 2 & 3 point locking systems.