This is a 5 piece Right side kit that includes:
Front door pillar
Front rocker panel
"B" pillar post
Rear rocker panel
& Cab corner

& 1999-2014 Ford Super Duty Crew Cab trucks

Front pillar measures about 16.5" x 10" x 3"
Front rocker measures about 40" x 6" x 5"
"B" pillar measures about 20" x 10" x 2"
Rear rocker measures about 19.25" x 7" x 2.5"
Cab corner measures about 16" x 12" 5"

You will receive all 5 pieces with this purchase

Left = Drivers Side
Right = Passengers Side