Box set 2 introduces entry and distance.
It introduces the RAT 3 phase combat concept:
Entry
Pressure
Terminate
There are 3 ranges in boxing:
outrange
long punch - punching range - medio
close punch - trapping range - corto
The set on the pads:
Double jab entry
J, C entry
long cross
J, C, H
J, C, H, RU
J, C, H, RU, C
J, C - H, RH, U
J, C - U, RU, H