Specification Brand : deep-deal BulletPoint : 30.5-55 mm 30.5 to 55 Step Up Ring Filter Adapter ExternallyAssignedProductIdentifier1 : 0619134864459 ExternallyAssignedProductIdentifier2 : 619134864459 ItemName : 30.5-55 mm 30.5 to 55 Step up Ring Filter Adapter ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-up-rings Manufacturer : deepdeal PartNumber : deepdeal-30.5-55 ProductDescription : 30.5-55 mm 30.5 to 55 Step Up Ring Filter Adapter 30.5mm-55mm Introduction Male thread: 30.5mm Female thread: 55mm Brand new, never used Made of metal color : black Package Included: Filter Ring Adapter x1 (Original Manufactory Package) Suitable For Access a wider variaty of filters, adapters, hoods and more... ProductSiteLaunchDate : 2012-09-13T02:18:22.164Z