1、Applicable Model: Lens focus rubber ring and zoom rubber ring is suitable for Sigma 18‑35mm f/8 DC HSM Art. 2、Replacement Parts: Lens focus rubber and zoom rubber is a perfect replacement for broken, damaged, cracked original parts. 3、Fitting Closely: Camera lens focus rubber ring closely fits the original machine position with accurate shape and size design. 4、Install Correctly: Lens focus rubber ring zoom rubber ring for Sigma 18‑35mm can work properly when installed correctly. 5、Guaranteed Quality: Third party products are not original products. Test before delivery, and delivery after passing the test. 1 Set x Rubber Ring (2 Pieces) Item Type: Lens Focus Rubber Ring Zoom Rubber RingMaterial: RubberColor: As Pictures ShownWeight: Approx. 11g / 0.4ozApplication: Suitable for Sigma 18-35mm f/ 1.8 DC HSM Art