P4, S4 & E4
The main tool for the P4 is the Pliers, hence the P.
The main tool for the S4 is the Scissors, hence the S.
The main tool for
the E4 is the Electrical wire cutters, hence the E.
The three models all have: straight knife, extra small screwdriver, opener
and lanyard attachment.
The P4 and S4
both have a medium screwdriver and small flat phillips screwdriver.
The P4 also has: wire cutters, single-cut file, cross-cut file, and awl.
The S4 also has:
tweezers, nail file/cleaner, ruler.
The E4 also has: electrical wire cutters, wire strippers, small screwdriver,
philips screwdriver, tweezers and a wood/metal file.