These push-button combination code door locks are ideal for storerooms, offices & computer rooms, or any room where security is important. They can be used either indoors or out. Thousands of combinations You can select your own 4 digit number from over 8000 combinations, & it can be changed easily. This gives you additional security over a simple key-function lock. At any one time you can limit access know exactly who has the security code. Brass or stainless steel finish These keyless locks come in choice of finishes to match your existing door furniture, either polished brass or brushed stainless steel. Optional key override The stainless steel version is available in either standard model or with key override. This means that if you forget the code you can open lock with the key supplied instead. Fittings supplied All the fixtures & fittings you need are supplied including the door latch. Lifetime Guarantee This product is so reliable it comes with a lifetime guarantee. It has been used successfully in thousands of establishments, so you can buy from us now with complete confidence.