Specification Brand : OPTURA HD OPTICS BulletPoint1 : [High quality material]:Special aviation aluminum alloy with high strength, impact resistance, deformation resistance, and pressure resistance; This material greatly reduces the thickness and weight of the main body. BulletPoint2 : [Wide compatibility]:The adapter ring is compatible with different brands of cameras, and multiple sizes can be selected to meet the installation requirements of most lenses. BulletPoint3 : External thread upgrade ring adapter, easy to use, just screw the adapter ring onto the lens, and then screw the filter, cover, or converter onto the adapter ring. BulletPoint4 : the surface is treated with high-gloss mechanical sandblasting and environmentally friendly anodizing, with ultra-low chemical residue and a pure matte black color. BulletPoint5 : · 1 X Ring Fun Rings for Women Cute Adjustable Rings Rings Masculine Mens Costume Jewelry Rings Resin Flower Ring Trendy Rings for Women Thumb Rings for Women Big Chunky Rings Midi Rings Rings Size 4 Cool Rings Men Rings Set for Teen Girls Ring Set for Women Size 9 Rings under 10 Rings for Little Girls Age 6 Teen Girl Ring Set 17 Mile Rings Multi Rings for Women Color : 77mm-72mm CpsiaCautionaryStatement : no_warning_applicable Department : Unisex Adult ExternallyAssignedProductIdentifier : 3230361124771 FocalLengthDescription : 77mm to 72mm Step-up Adapter Rings GemType : No Gemstone IncludedComponents : No ItemName : 77mm to 72mm Step-up Adapter Rings Filter Adapter Black Metal Step Down Filter Ring Adapter Compatible with All Brand UV CPL ND Camera Lens Filter Stepping Rings 77mm-72mm ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-up-rings Manufacturer : OPTURA HD OPTICS Material : iron MetalType : iron ModelName : 77mm72mm-op ModelNumber : 77mm72mm-op NumberOfItems : 1 PartNumber : 77mm72mm-op ProductDescription : [High quality material]:Special aviation aluminum alloy with high strength, impact resistance, deformation resistance, and pressure resistance; This material greatly reduces the thickness and weight of the main body. ProductSiteLaunchDate : 2024-04-04T07:00:00.000Z Size : One Size SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TargetGender : unisex WarrantyDescription : 1 month replacement