Specification Brand : SKYZHENG BulletPoint1 : 【1】55mm to 58mm Step-Up Ring Filter Adapter BulletPoint2 : 【2】Made of high-quality anodized aluminum,the ring has a strict surface treatment to avoid shaking or cross threading, and the ultra-thin design makes it durable and practical. BulletPoint3 : 【3】Compatibility: Compatible with all 55mm camera lenses & 58mm accessories. BulletPoint4 : 【4】How do I find my filter thread size? Your lens thread size will be printed underneath your lens cap or written somewhere on the lens barrel. Please do make sure to order the correct size otherwise it will not fit on your camera lens. BulletPoint5 : 【5】30-day quality assurance, worry-free returns and exchanges, please contact us if you have any questions! Color : 55mm to 58mm ExternallyAssignedProductIdentifier1 : 782905401747 ExternallyAssignedProductIdentifier2 : 0782905401747 IncludedComponents : No components ItemName : 55mm to 58mm Step up Ring Filter Adapter Metal Ring Step up Rings Adapter Filter Compatible with All 58mm UV,CPL,ND,Lens Hood,Threaded Lens ect (55mm to 58mm) ItemPackageDimensions_Height : 0.39 inches ItemPackageDimensions_Length : 3.14 inches ItemPackageDimensions_Width : 3.14 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-down-rings Manufacturer : SKYZHENG Material : Aluminum ModelNumber : SKY240109 NumberOfItems : 1 PartNumber : SKY240109 PhotoFilterEffectType : Ultraviolet PhotoFilterEffectType1 : Ultraviolet PhotoFilterEffectType2 : Graduated Neutral Density PhotoFilterSize : 58 millimeters PhotoFilterThreadSize : 49 millimeters ProductDescription : Step-Down Ring Step-up Ring Filter Adapter ,for All Brands UV ND CPL, Metal Ring ProductSiteLaunchDate : 2024-01-10T00:40:25.138Z Size : 49mm to 40.5mm SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 30 day refundable and exchangeable WaterResistanceLevel : not_water_resistant