Specification Brand : K&F Concept BulletPoint1 : Made of aviation grade aluminium alloy to ensure the connector ring's durability, but also lightweight to reduce overall weight. BulletPoint2 : CNC precision machining ensures the perfect fit between the ring and lens & hood, effectively preventing light leakage and improving shooting quality. BulletPoint3 : Even when used in harsh environments, the aluminium alloy material has good corrosion resistance and antioxidant performance. Easy and quick to install and remove due to screw-in design. BulletPoint4 : The solid structure of aluminium alloy provides stable support for the hood, even if it encounters bumps or vibrations during shooting, it ensures the hood is stable and does not fall off, guaranteeing shooting safety and quality. BulletPoint5 : 【Note】Can only be used with the K&F CONCEPT matte box, can not be used with any other brand of matte box. ItemName : K&F Concept 58mm Matte Box Lens Adapter Ring Only for K&F Camera Matte Box ItemPackageDimensions_Height : 25.9 centimeters ItemPackageDimensions_Length : 0.9 centimeters ItemPackageDimensions_Width : 13.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : flash-adapter-rings Manufacturer : Shenzhen Zhuoer Photograph Material : Optical Glass ModelNumber : 10104782 PackageLevel : unit PartNumber : KF05.362 ProductDescription : 58mm, Matte Box Adapter Ring ProductSiteLaunchDate : 2024-09-19T08:46:15.028Z Size : 58 SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 45121600 WarrantyDescription : 1 Year Manufacturer WaterResistanceLevel : not_water_resistant