![Back-2-Basics: Lock Functions - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene. Back-2-Basics: Lock Functions - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.](http://idighardware.com/wp-content/uploads/2013/09/Mechanical-Functions.jpg)
Back-2-Basics: Lock Functions - I Dig Hardware - Answers to your door, hardware, and code questions from Allegion's Lori Greene.
![Amazon.com: Digital Angle Level, 0-225° Auto Shutdown Function 0.05° Resolution Digital Levels Tool Aluminum Alloy ±0.5° Accuracy for Home DIY(Silver) : Industrial & Scientific Amazon.com: Digital Angle Level, 0-225° Auto Shutdown Function 0.05° Resolution Digital Levels Tool Aluminum Alloy ±0.5° Accuracy for Home DIY(Silver) : Industrial & Scientific](https://m.media-amazon.com/images/I/512UO7WSVPL.jpg)
Amazon.com: Digital Angle Level, 0-225° Auto Shutdown Function 0.05° Resolution Digital Levels Tool Aluminum Alloy ±0.5° Accuracy for Home DIY(Silver) : Industrial & Scientific
![Amazon.com: Uvital Desktop Corded Telephone, P/T Mode, Mute, Pause, Redial, Flash, Ringer (Hi & Low), Mechanical Lock with Two Telephone Cord Detangler : Office Products Amazon.com: Uvital Desktop Corded Telephone, P/T Mode, Mute, Pause, Redial, Flash, Ringer (Hi & Low), Mechanical Lock with Two Telephone Cord Detangler : Office Products](https://m.media-amazon.com/images/I/61YA2vTOJdL.jpg)