Description:Size: approx 60cm/23.6inch Round base,25cm/10inch Square Swivel Mount PlateMaterial: Material made by means of steel, Black finishedAngle: 360 Degrees Rotate Swivel Chair Base Mechanism HingeAnti Slip: Come with multi rubber feet protectors to stop the ground being scratchedHardware Only: No mounting screws included, excellent for DIY your round chair or couchSpecification:Material: steelSize Chart:diameter approx 60cm/23.6inch, Square Swivel Mount Plate approx 25cmx25cm/9.84inchx9.84inchPackage Includes:1 Round Chair Recliner Base BracketNote:Please enable barely errors because of guide measurement and assorted monitors.