All solid wood desk chair base kit
Solid wood caps supported by 1/4" thick welded plate steel underbase 28" diameter for up to the largest executive chairs
Includes gas cylinder #10765
Includes 4 section cylinder cover-shown
#3311 mechanism included 6 3/4" x 7 3/4" plate size.
Mat or Carpet Casters not included
We recommend you purchase a Mounting Board Kit to install the #3311 mechanism
Color choices: Medium Brown Oak & Cherry Mahogany