Specification Brand : Kenko BulletPoint1 : Allow a lens with a 30mm filter thread to mount a 37mm BulletPoint2 : Manufactured from high quality aluminum BulletPoint3 : Engraved on side for easy identification while on your lens BulletPoint4 : Allows you to use one set of filters on multiple lenses BulletPoint5 : Package: Filter, Pouch, Micro Fiber Cleaning Cloth. Color : Black ExternallyAssignedProductIdentifier : 4712639340612 ExternallyAssignedProductIdentifier1 : 4961607899328 ExternallyAssignedProductIdentifier2 : 04961607899328 IncludedComponents : RING ItemName : Kenko 30.0MM STEP-UP RING TO 37.0MM ItemPackageDimensions_Height : 1.016 centimeters ItemPackageDimensions_Length : 12.7 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-filter-step-up-rings Manufacturer : Kenko Tokina USA Material : 玻璃 ModelName : Kenko STEP-UP RING - (lens) 30mm to 37mm (filter) ModelNumber : KSUR-3037 NumberOfItems : 1 PartNumber : KSUR-3037 PhotoFilterEffectType : Kaleidoscope PhotoFilterSize : 77 millimeters PhotoFilterThreadSize : 77 millimeters ProductDescription : Description: This step-up ring is suitable for 55-58mm camera lens, which adopts great tightness, with no wobbling or cross-threading. It provides flexibility for you to allow the 58mm filter to be used on a lens with 55mm front filter threads. Furthermore, the special anodized aluminium gives it high strength and impact resistance. Specifications: Color: Black Suitable: For filters, adapters, lens, lens hoods, lens caps and more. Male thread: 55mm Female thread: 58mm Package List: 1 * Step-up Filter Ring