This stainless steel deck flange provides an additional position for your table. Fits existing 50 to 65mm diameter columns with corresponding bottom-fitting. It requires no hole in the deck & the column may be removed with a simple twist! Requires no hole in the deck & the column may be removed with a simple twist Fits existing 50 to 65mm diameter columns with corresponding bottom-fitting 5 9/10" Diameter Stainless Steel