Specification:Material: Aluminum Alloy Color: SilverColor: SilverOuter Diameter: 1.50 inchInner Diameter: 1.02 inchHeight: 1.18 inchFeature:The screw is adjustable, specially designed for flag poles with an outer diameter of 0.75-1.02 inch. The mounting rings have a 360-degree rotating circlip. Designed for flags with grommets, equipped with two snap hooks, hanging carabiner between the mast ring hole and the flag grommet, to connect the mast and flag. Light weight. Stainless. Easy to install and use. Durable and practical. How to install:1. Position the first rotating ring under the ball on the top of the mast, then tighten it. Attach the top grommet of the flag to the hanging buckle placed on the fastening ring.2. Adjust the second rotating ring to the necessary position of the mast and then tighten it. Attach the bottom flag grommet to a hanging buckle placed on top of another fixing ring. Package Included: 2 x Aluminum Mast Swivel Ring2 x CarabinerNote: Cannot use more than 1.02 inches of mast outer diameter. Please allow slight size errors due to manual measurement. The item color displayed in photos may be showing slightly different on your computer monitor because monitors are not calibrated same.