Specification Brand : SKYZHENG BulletPoint1 : 【1】49mm 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 49mm 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 : 49mm to 58mm ExternallyAssignedProductIdentifier1 : 0724723185690 ExternallyAssignedProductIdentifier2 : 724723185690 IncludedComponents : No components ItemName : 49mm 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 (49mm 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 ModelNumber : SKY240109 NumberOfItems : 1 PartNumber : SKY240109 ProductDescription : Step-Down Ring Step-up Ring Filter Adapter ,for All Brands UV ND CPL, Metal Ring ProductSiteLaunchDate : 2024-01-10T00:40:24.213Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 30 day refundable and exchangeable