Double up your drawer space with Rev-A-Shelf's Two-Tiered drawer systems. This drawer box comes pre-assembled and ready to install into your existing cabinet drawer opening. Simply remove your current drawer and install. Features two compartments and BLUMOTION soft-close slide system. Specifically designed for frameless cabinet. � (1) Wood two-tier drawer system, Slides and mounting hardware � 75lb Full-Extension Blummotion slide system � For Frameless cabinets construction only � Top-Tier slides back inside of cabinet on ball-bearing drawer slides � Pre-Assembled drawer box replaces your existing drawer � Simply add your own drawer front � Designed for a 18" frameless cabinet with a 16.5" opening � Door brackets are included to mount your drawer � Dovetail drawer construction � Simply attach your existing cabinet drawer front to this unit � Limited Lifetime Warranty