Full 27" diameter no gloss Textured swivel all metal chair base.
A tried and true favorite since 1990 with never a breakage or complaint.
Gas cylinder, 2" carpet casters and mechanism are included.
Mechanism mountings are at 6"w x 8" front to back.
Mechanism and Base made in USA/Canada.
27" Black complete chair assembly kit.
Everything from under seat to floor.
Some replacement kits will require a mounting board.