25" diameter, Black only office chair base. All chair bases include 5 hooded barrel style Castors. Low cost material but is stronger than most others, as ours have more fiber glass. Our higher quality composite base provides design versatility and function without sacrificing integrity. Meets and exceeds BIFMA/ANSI testing requirements.
25" diameters for up to small to medium executive sized chairs.
Fits all common standard gas cylinders. Gas cylinder or Bearing kit sold separately. We strongly suggest purchasing a bearing kit (108) now, along with base purchase. Gas column not included.