A micro size cam lock with a 5 disc tumbler mechanism that delivers surprising versatility in a small package. The die-cast alloy body and core allow the lock to be offered at a very competitive price, while the polished chrome finish will look good on any application. The Series 21 is ideally suited to low security applications, indoors or out. These locks are available keyed alike, supplied with two keys per lock, or keyed to differ with 200 key combinations. The double entry keyway means that the key can be reversed for convenience. Four way cam positioning is possible. Supplied with a body nut and fitted with a choice of a 20mm or 30mm cam.