Truck Vault Covered Bed Line Magnum 2 Drawer, For Select for GMC Sierra Model T-GMSRAM2-07LTruck Vault Covered Bed Line Magnum 2 Drawer, For Select for GMC Sierra Model T GMSRAM2 07L The Magnum 2 Drawer Covered Bed is the perfect design for anyone looking for low profile storage for their long bed GMC Sierra. Our drawers hold up to 300 lbs internally and up to 2,000 lbs on top of the vault. Magnum drawers have a 10 height. Compatible with 2007 2018 GMC Sierra with 8' bed. 2 drawers 10" tall capable of holding 300 lbs each. Carpeted top