and high quality. Features: A replacement 55mm to 58mm Step Down ring for your cameras, can mount to 55mm lens or 58mm filters on the camera. Convenient and easy to use, 55mm attaches to the side of the camera and 58mm to the side of the lens Access a wider variety of filters, adapters, hoods and so on Special aviation aluminum alloy, high strength, impact resistance, twist and pressure. Machining process Surface treatment: high-mesh sand blasting machine and color quality pure matte black. Ultra-low chemical residues The male thread to camera lens: 58mm The female thread to filter: 55mm Step Down Filter Rings only, other accessories demo in the picture is not included! Specification: Item Name: Step Down Filter Rings Material: Aluminium alloy Shape: Round Type: Lens Adapters Outer Diameter: 5.8cm/2.28'' Inner Diameter: 5.5cm/2.17'' Color: Black Quantity: 1 Pc Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Step Down Filter Rings (without retail package)