Perfectly compatible with sliding glass shower doors Suitable for shower glass doors with a thickness of up to 7/16 inch, this gray bottom track ensures secure installation and smooth operation, making it an ideal choice for glass shower door installations. Durable PVC Material for Long-Lasting Use Crafted from high-quality PVC, this shower door guide is built to withstand daily wear and tear. Its durable construction ensures it remains reliable for years to come. Quick and Hassle-Free Installation The 3" long guide is easy to install, whether you're replacing an old track or setting up a new one. Its straightforward design allows for a seamless setup process, saving you time and effort. Smooth and Quiet Shower Door Operation This bottom guide enhances stability, reduces noise, and prevents door wobbling, ensuring your shower door glides effortlessly and quietly every time you use it. Versatile Solution for Shower Door Needs Whether you need a bottom guide, track replacement, or other shower door components, this product offers a versatile and dependable solution.