Specification Brand : SKYZHENG BulletPoint1 : 【1】30mm to 37mm 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 30mm camera lenses & 37mm 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 : 30mm to 37mm IncludedComponents : No components ItemName : 30mm to 37mm Step up Ring Filter Adapter Metal Ring Step up Rings Adapter Filter Compatible with All 37mm UV,CPL,ND,Lens Hood,Threaded Lens ect (30mm to 37mm) 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 : 2024-01-10T00:40:24.800Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 30 day refundable and exchangeable