Features: - 42" of usable dumbbell space allows for multiple sets of dumbbells to be stored on the tray. - Angled design allows for easy and convenient removal of dumbbells. - 3" Lip holds weights in place to prevent slip and fall. - Hardware Included. - This dumbbell tray installs onto your preexisting standard shelf that is included in Titan's 2-Tier and 3-Tier Mass Storage System.