Extreme Tools RX Series RX552512RC-X 55in. 12-Drawer Roller Cabinet with 150 lbs. slides provides even more storage capacity than the standard series. This professional quality tool box features 3 extra-long drawers with internal support to provide strength and prevent warping or twisting. Patented self-latching, Quick Release drawer pulls attach across the drawer front - not just at the ends - providing a sturdier, more secure handle and keep drawers closed. Each drawer uses full-extension ball bearing slides that let you load 150 lbs. per drawer - single slide and 300 lbs. per drawer double slides. Our exclusive Mag Wheel casters (load rated 900 lbs. each) and 14-gauge steel frame support a full-loaded box. This large roller cabinet gives you loads of space at an affordable price with the assurance of Extreme Tools quality.