This is a 10 piece Left & Right side kit that includes:
Front door pillars
Front rocker panels
"B" pillar posts
Rear rocker panels
& Cab corners

Fits 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 10 pieces with this purchase

Left = Drivers Side
Right = Passengers Side