Palpitatec Black Sliding Shower Door Bottom Guide With Screw Fits For, 1 Pack Product Details Shower Door Track Guide --- Glass shower door bottom guide assembly is used to keep the shower door properly aligned and is easy to install in conjunction with a sliding shower door. Suitable for sliding (top hung) shower door (tub enclosure) systems Shower Door Plastic Guide Size --- Sliding shower door plastic guide rail 3 inches long, and a guide passage 1/2 inch wide, fits glass thicknesses of up to 1/2 in, the right size won't take up much of your time and space.Not suitable for shower door frames with 90-degree sharp edges. High Quality --- Shower door replacement parts are made of hard plastic materials that are well-crafted, durable, and tested in multiple processes before leaving the factory to ensure their quality meets standards. Easy to Use --- An excellent alternative to guide parts for glass shower doors. It is easy to install and enhances the sliding of both shower doors. Note that there are one screws attached to the shower door replacement parts, or you can prepare it yourself or glue it in place with clear silicone. Excellent Service --- If you have any suggestions or questions about sliding shower door bottom guide, please let us know by Email and we will reply you within 24 hours. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.