Powermatic table pedestal tube, has an anodised collar, the tube is tapered to go through the base and the floor to give the lowest possible height range. Height range 300mm up to 640mm,  Space required of 180mm for tube to go through the floor

You will need to add top part number 63160 and base part number 64070 to complete the set, which you can get from a Norfolk a Marine. Get the deal on the tube from me.

Top 63160 is £76.50 and base 64070 is £55.20