1. Floor mounted softclose drawer rails: These underbody guides are specially designed for easy installation and smooth and quiet operation, reducing noise by up to 30 decibels. Unlike side mounted rails, these floor rails eliminate side wobbling and provide a sturdy and visually appealing finish. 2. STEEL CONSTRUCTION: Made of cold rolled steel, these softclose drawer runners are strong enough to support up to 88 pounds of weight. The galvanized coating prevents oxidation and rust, ensuring a long service life. 3. Quiet and gentle closing: Equipped with springs on both sides, these drawer guides offer a seamless and smooth closing experience. The builtin damping hydraulic cylinders feature 3D adjusters for precise alignment on different cabinets. 4. Threetier full extension: Designed for convenience, these drawer guides come in a threepiece design with full extension, allowing easy access to items without blind spots. Compared to twopiece designs, they offer improved functionality and ease of use.