The Sealey AP855 Mobile Toolbox separates into three units The Sealey AP855 is a mobile stainless steel/composite toolbox with 3 compartments. The base unit is an open-top bin providing storage for larger items and can be secured by padlock (not included). The top box features a tote tray with two strong clasps and padlock hasp. The Middlebox features two large pull out drawers. Features: Separates into three units Middlebox features two large pull out drawers Top box with tote tray, has two strong clasps and padlock hasp Fully mobile with 2 heavy-duty wheels and a retractable handle Base unit is an open-top bin providing storage for larger items and can be secured by padlock (not included) Specification: Model No: AP855 Top Box (Internal): 475 x 235 x 145mm Base Unit (Internal): 470 x 230 x 320mm Overall Size (Handle Retracted): 540 x 350 x 840mm Middle Box Drawers x 2 (Internal): 400 x 200 x 85mm