The FLAT Tech BDHD00A bolt-down base 4″ heavy-duty standard height column black table base adapts to surface imperfections, ensuring unmatched stability. The bolt-down design secures the column for excellent stability and an appealing, sturdy table. Featuring a classic look with a textured black finish and zinc-coated steel construction, this base withstands heavy use. Its high-quality top plate and structural tension rod securely hold larger tabletops up to 47″ (sold separately). To maintain stability, avoid exceeding this recommended tabletop size, and tabletop screws for this base are sold separately.