Specification Brand : Kase BulletPoint1 : ►Magnetic Step Up Adapter for Kase Magnetic Filters.► Screws into the 49mm Thread of A Lens and Allows 58mm KW Magnetic Filters to be Used BulletPoint2 : ►Converts a Lens with an 49mm Filter ring for Use with Kase Wolverine 58mm Magnetic Filters BulletPoint3 : ►Lightweight, weighs less than 0.3 oz. BulletPoint4 : ►****PLEASE NOTE**** Works only with 58mm Magnetic Filters. BulletPoint5 : ►****PLEASE NOTE**** WIll NOT work with ordinary Non Magnetic Filters. ExternallyAssignedProductIdentifier : 6971634242071 ExternallyAssignedProductIdentifier1 : 0826635848486 ExternallyAssignedProductIdentifier2 : 826635848486 GpsrSafetyAttestation : 1 ItemName : Kase Wolverine 49mm to 58mm Magnetic Step Up Filter Ring Adapter 49 58 ItemPackageDimensions_Height : 0.1 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-up-rings Manufacturer : KASE Material : aluminum MaxFocalLength : 52 millimeters ModelNumber : KW-MSP-4958 PartNumber : KW-MSP-4958 ProductDescription : The NiSi 46mm adapter for NiSi M75 75mm Filter System allows the 67mm filter holder adapter ring included with a NiSi M75 75mm Filter Holder Kit to be used on a lens with 46mm front filter threads. It features an aluminum-alloy construction for durability while remaining lightweight. ProductSiteLaunchDate : 2019-07-21T07:00:00.000Z Size : 46mm SupplierDeclaredDgHzRegulation : not_applicable TargetAudienceKeyword : 46-72mm Step Up Ring Filter Adapter UnitCount : 1 UnspscCode : 45121600 WarrantyDescription : 12 Month Warranty