Description
Outer Diameter (Deck Hole): 1 3/4" (Threaded to lock into Single Threaded Sleeve).Fits 1.5" Umbrella Poles and also includes Insert to fit smaller 1.35" Poles.These ARE NOT for umbrella stands and tables, only Deck Sleeves!.Wont Spin or Tilt! Keeps your OCD in check!.Stainless Steel M6 Thumb Screw and Stainless Steel Threaded Insert! Corrosion Restisant Salt Water safe!.Fits all Waterways and AquaStar Sleeves! Will not fit multi-threaded sleeve openings. READ BELOW.2x bigger than competitors model! These are 3" tall and Thick!