Upgrade your office chair with a heavy-duty universal 5-star chair base. Strong chrome finish, stable support, and fits most office chairs. -Heavy duty 5-star office chair base -Universal standard size, fits most office chairs -Compatible with 50mm gas lift -Fits standard 11mm chair caster wheels -Durable chrome finish -Stable and strong support -Ideal replacement for damaged chair bases Specifications Material: Chrome Finished Steel Base Type: 5-Star Office Chair Base Center Hole: Ø50mm Wheel Stem Size: Ø11mm Base Size: 750mm Finish: Chrome Package Included 1 x Office Chair Base