Item Type: Lens Rubber Ring Material: Rubber Weight: Approx. 11g/0.39oz Applicable Model: Suitable for Tamron 28-75mm F2.8 lens A09. Package List 1 x Lens Zoom Rubber Ring 1 x Lens Focus Rubber Ring 1Compatible Model: This lens rubber ring is suitable for Tamron 2875mm F2.8 lens A09. Please confirm the model number of your camera lens before purchase. 2Third Party Product: This lens rubber ring is a third party product, not an original product. Please confirm this before purchasing. 3Guaranteed Quality: This lens rubber ring is 100% tested before it leaves the factory, and it will be shipped only after passing the test. Please feel free to buy. 4Accurate Shape and Size: This lens rubber ring is accurately designed in shape and size, and will work properly when properly installed. 5Lightweight and Portable: This lens rubber ring is made of rubber, small and lightweight, foldable, easy to install and carry.