Master keying software for

Best A4

Best A4 key blank
Best A4 pinning chart

MK Express will create the most flexible Best A4 master key system, with out the doctorate in hieroglyphic quantum plumbing.

MK Express is more that just Master Keying Software that makes the best looking Best A4 master key chart generator, ever!

MK Express is Locksmithing Software that handles Best A4


Axis #1: Interchangeable Core
Number Cuts: 7
Deepest Bow Cut: 5
Depth Progression: 1
Smallest Master Pin: 1
Max Adjacent Cut Difference: 5
Cut Symbols: 012345
Stack Height: 14
Control Sleeve: 7
First Sleeve Chamber: 1
Last Sleeve Chamber: 7

Click here to see the built in list of locking hardware that MK Express can create master key systems for