- Product Dimensions : The sliding shower door plastic guide rail measures 3 inches in length, 1-1/2 inches in width, and features a wall height of 9/16 inches. It accommodates glass thicknesses up to 7/16 inches, providing a compact and efficient size that saves both time and space. - Simple Installation : This lower rail assembly for glass shower doors ensures proper alignment of your sliding shower door. It is designed for easy installation without the need for special tools or skills. The extruded metal frame of the bathtub enclosure seamlessly integrates during setup. - Durable Material : Constructed from high-quality white plastic, this shower door hardware is built to last. Its robust design resists damage, ensuring longevity and reliable performance over time. - Enhanced Performance : The sliding shower door bottom rail features excellent friction and wear characteristics. With a low static and dynamic coefficient of friction, this wear-resistant material significantly extends the life of the guide, providing a smooth sliding experience. Use Scenarios : 1. Renovating a Bathroom : Perfect for homeowners upgrading their shower door systems, this guide rail ensures stability and proper alignment, enhancing the overall functionality of your new shower setup. 2. Replacing Worn Parts : Ideal for those needing to replace existing, damaged shower door guides, this product offers a seamless fit for improved operation and durability. 3. Maintaining a Shower Enclosure : Essential for ensuring your sliding door remains aligned and operates smoothly, this guide rail minimizes wear on the door, extending the life of your shower enclosure.