SHZOND 28" Swivel Chair Base Replacement, Office Chair Base, Max Load 350 Pounds Heavy Duty Chair Replacement Base

The chair base is a 28" in diameter ideal for executive Tilt/Swivel style chairs. Heavy duty pneumatic gas cylinder has a 5" travel from lowest to highest settings and is rated for up 350 pounds. The heavy duty chair seat plate has a mounting hole pattern of 6.9" x 11.1".Adjust height from 14.5" to 18.5". Ergonomic seating position with tilt back and swivel capabilities. Replacement office chair base with 5 wheel casters in 60mm diameter; Each caster rated for 110 lbs;Rolling caster base makes it easy to move around in your breakfast nook, kitchen, game room, or wherever you entertain