Shower door plastic track dimensions: Track slot width is 1/2 inch. Suitable for shower glass doors no thicker than 7/16 inch. Please ensure that the glass thickness matches the track dimensions before making a purchase. Durable and Reliable: Made from high-quality materials, this black shower door bottom guide is built to withstand daily use, providing long-lasting performance in wet bathroom environments. Easy Installation: The 1-3/16" long guide is compatible with most standard sliding shower doors, making it a hassle-free upgrade or replacement for your existing setup. Enhanced Stability and Functionality: This bottom guide helps keep your shower door securely on track, preventing misalignment and ensuring consistent, smooth sliding action. Sleek Black Design: The minimalist black finish blends seamlessly with modern bathroom decor, offering both functionality and aesthetic appeal. Shower door plastic track dimensions: Track slot width is 1/2 inch. Suitable for shower glass doors no thicker than 7/16 inch. Please ensure that the glass thickness matches the track dimensions before making a purchase. Durable and Reliable: Made from high-quality materials, this black shower door bottom guide is built to withstand daily use, providing long-lasting performance in wet bathroom environments. Easy Installation: The 1-3/16" long guide is compatible with most standard sliding shower doors, making it a hassle-free upgrade or replacement for your existing setup. Enhanced Stability and Functionality: This bottom guide helps keep your shower door securely on track, preventing misalignment and ensuring consistent, smooth sliding action. Sleek Black Design: The minimalist black finish blends seamlessly with modern bathroom decor, offering both functionality and aesthetic appeal.