<b>Notice:</b><br><br><b>(1)Please measure the size of the faucet and sink before buying this product.</b><br><br> <b>(2) If you do not know the size of the faucet and nut, please contact the seller first, then decide whether to buy.</b><br> <br> <b>(3)PROFESSIONAL PRODUCT tool : Please pay attention to the professionalism of our products. professional sink and faucet nut wrenches. Professional personnel are advised to carry out operations. <br><br> <b>We recommend that you read the precautions and instructions on the package when you purchase them. Can help you understand and use our wrenches most accurately. </b><br><br>When you receive the product. If you are not fully aware of the performance and use of the product. Please feel free reach us, We are happy to solve the problem for you.