The "BTF Jeep CJ-7/YJ B-Pillar Cage Plate Kit" was designed for easy fabrication of custom roll-cages.These plates tie into the strongest part of the floor with four bolts per side (stock cage mounting points).It is laser cut from 3/16" high-strength steel plate.You will receive 2 pieces with this kit.Simply bolt the kit to your floor.This provides a great platform for your b-pillars to tie into.