ITC (TS5003-B-DB Black Redwood Table Base Table base secures to underside of table; Fasteners not included; please source fasteners to meet your specific needs Black fiberglass filled nylon for strength and durability Positive Snap-On with capability to rotate and threaded to accommodate screw in leg Use with ITC Floor Base (TS5020 -B black or -S silver) and 27" black leg (TL5000-B-27) or 27" silver leg (TL5000-S-27) or 29" silver leg (TL5000-S-29) 2.5" height x 5" diameter