Frames are constructed of 7⁄8" square, heavy-gauge tubular steel.
Plastic stack bumpers help protect frames when chairs are stacked.
A 7⁄8" square, heavy-gauge tubular steel cross member is welded to the frame for enhanced seat strength.
Plastic rocker glides.
A 5⁄8" square, heavy-gauge tubular steel H-brace is welded to the rear legs.