Perfect Fit for Your Shower: This M6219 sliding shower door bottom guide ensures smooth operation and proper alignment of your shower doors. Measuring 3 inches in length, 1-1/2 inches in width, with a 9/16 inch wall height and a 1/2 inch wide channel, it accommodates glass up to 7/16 inch thick. Hassle-Free Installation: Easy to install with no special tools required. The durable plastic design fits securely into extruded metal frames of sliding shower door bathtubs, simplifying installation and saving time. Durable High-Quality Material: Made from premium white plastic, this shower door guide offers excellent durability and resistance to wear. Its strong construction provides long-lasting performance under regular use. Enhanced Performance and Longevity: The low-friction plastic material reduces wear on both the guide and the shower doors, helping extend their lifespan. Its wear-resistant properties make it ideal for everyday use. Quiet and Effective Operation: Designed to minimize vibration and noise, this guide contributes to a quieter bathroom experience. Its efficient design ensures reliable and smooth function. Color: White Material: Plastic Package Contents: 2 x Shower Door Bottom Guide Note: The actual product may vary slightly in color due to lighting and display differences, which does not affect functionality. Measurement tolerance is +/- 1-3 cm.