To expand a bit on CorBlimeyLimey's response,
"3 point" actually refers to the number of places the door is locked (usually for security reasons).
"Panic hardware" is an emergency release system to allow fast egress, especially under adverse conditions (such as a fire, gas release, steam release).
The "panic hardware" has to match the locking system hardware. It does no good to have an emergency release system that unlocks two of three points on a door that has a 3-point locking system.
Patricia Lougheed
Please see FAQ731-376 for tips on how to make the best use of the Eng-Tips Forums.