Master keying software for

Best A3

Best A3 key blank
Best A3 pinning chart

MK Express will create the most flexible Best A3 master key system, with out the doctorate in hieroglyphic quantum plumbing.

Build your Best A3 master key system quickly and simply with this easy to use locksmith software.

MK Express is more that just Master Keying Software that makes the best looking Best A3 master key chart generator, ever!

Axis #1: Interchangeable Core
Number Cuts: 7
Deepest Bow Cut: 6
Depth Progression: 1
Smallest Master Pin: 1
Max Adjacent Cut Difference: 6
Cut Symbols: 0123456
Stack Height: 16
Control Sleeve: 8
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