Preso Matic Keyless Locks is the Convenient Security Solution. Having invented the original keyless mechanical door lock, Preso Matic created the category of mechanical keyless access control for residential and commercial markets. In our 55 year history with over 1/2 million locks sold, holding 7 US patents and 17 International patents our locks have been sold in over 62 countries. Preso Matic is known for its strength, long lasting reliable performance worldwide. Preso Matic is looking forward to another 55 years. "Pushing Buttons since 1964" is our motto.