SpecificationsShipping Weight: 24 lbs. each Standard FeaturesMade in the U.S.A.Black Glides (if Black Wrinkle Finish)Clear Adjustable GlidesLaborsaver FeatureStandard Powdercoat Colors Warranty1-Year Structural Warranty Options/Upgrades4 inch Column - Center Bolt AssemblyChrome ColumnCustom HeightsSatin Chrome ColumnSuperlevel ® self-leveling glides