MILLENNIUM UMBRELLA HOLDER FITS 5/8-1 3/4in

Millennium Umbrella Holder Fishing Umbrella Holder lets you bring some shade with you on your boat. Millennium's Shadetree Umbrella Holder attaches to any standard boat-seat post, accommodating umbrella shafts from 5/8" to 1-3/8" dia.. With 8" of horizontal adjustment and a 360° swivel locking action, the Shadetree optimizes sun coverage at any time of day. Heavy-duty anodized-aluminum construction.