Central base office chairs

The type of base can have a big impact on the style, stability and mobility of the chair. The standard for an ergonomic office chair is a swivel star base on casters, which offers good mobility and stability. Many have a lever operated gas lift so that the height can be easily adjusted. Office chairs used less frequently might not need to be height adjustable or have casters. They might instead have a fixed base configuration such as a central support, sled base...