The 6 Pack Case (12 total pieces) Prime-Line 1-1/4 In. Adjustable Nylon Base Bypass Door Bottom Guide is a high-quality, durable door bottom guide designed for easy installation and adjustment. Made of white nylon, this guide features a 1-inch wide bottom for secure door placement. With a height of 1.25 inches and a width of 5.85 inches, this product is perfect for bypass doors and provides a sturdy support system for smooth operation. Prime-Line, a trusted brand in home improvement, ensures that this adjustable door bottom guide is both reliable and versatile for various door sizes and styles.