Look here: Which jaw/clamp you should use for key cutting with Condor Mini Plus?
Here, I list all clamps with key types covered
Clamp M1: Standard single/double sided key
Clamp M2: 4 Track external, 2 Track external, 4 Track internal, Channel track, Dimple keys
Clamp M3: FO21, SX9
Clamp M4: Sided keys, Crucifix keys
On a side note, Jaw m1/2/3/4 installation steps:
1) Loosening the clamp tightening wrench by turning it counter-clockwise to the left.
2) Select the correct clamp and slide in the clamp to the clamp holder and push it to the limit of left.
3) After the clamp is put in the clamp platform, turn the clamp tightening wrench clockwise for fix it.