For new construction or replacements.
Requires 11 3/4" of wood from rearmost edge of leg to center of caster hole. Steel is 1/4" thick and 1 3/4" high. Accepts grip ring Casters not included. Shipped complete with Tenneman base clips and 4 section Telescope. Gas Cylinder is purchased separately.
Roughly measures about 26" diameter.
Gas underbase made in USA.
Does NOT replace foreign made under bases.