Main Features:<br />● Lens replacement kit (Aluminum lanyard ring mount and screwdriver)<br />● Fit for all GoPro Hero 3 version<br /><br />    Specifications<br />Dimension and Weight<br />	 Product weight: 33 g                                                  <br />                        Package weight: 0.078 kg                                                  <br />                        Product size (L x W x H): 13.0 x 7.5 x 1.5 cm                                                	<br />Package contents<br />	 Package contents: 1 x AT125 Aluminum Metal Lanyard Lens Strap Ring Kit， 1 x Screwdriver                                                	<br /><br /><br /><br />                                                                   Product Safety Disclaimer: <br />We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.<br /><br />                                                <br />