Specification Brand : Kase BulletPoint1 : Magnetic Back Cap for Kase Magnetic Filters ****PLEASE NOTE**** This is a back lens cap only BulletPoint2 : ****PLEASE NOTE**** Works only with Kase 72mm Magnetic Filters. BulletPoint3 : ****PLEASE NOTE**** WIll NOT work with ordinary Non Magnetic Filters. BulletPoint4 : Aluminum With Steel Magnetic Ring. Felt Lining. BulletPoint5 : Lightweight. Weighs 16g 0.6oz ExternallyAssignedProductIdentifier1 : 0789458829547 ExternallyAssignedProductIdentifier2 : 789458829547 ItemName : Kase Wolverine 72mm Magnetic Metal Back Cap for Kase Magnetic Filter 72 ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 4 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-caps Manufacturer : Kase Material : Aluminum ModelNumber : 1108040110 PartNumber : 1108040110 PhotoFilterThreadSize : 72 millimeters ProductDescription : Designed for use with Kase magnetic filters. Back cap only. ProductSiteLaunchDate : 2021-08-11T14:51:51.534Z SupplierDeclaredDgHzRegulation : not_applicable WaterResistanceLevel : not_water_resistant