Preston Absolute Mag Lok 100mm Unit Each Mag Lok Tray features strong NEO magnets at the base of the drawer and aluminum tray and features a positive click when engaged. This magnetic connection is quick and easy to access and keeps your drawer unit closed at all times, even during transportation. The Mag Lok 100mm Unit is perfect for storing larger items if tackle, such as reels, EVA cases, spare spools, catapults, hooklength boxes, etc. Preston Absolute Mag Lok 100mm Unit