This Sealey trail box is fully mobile with two heavy-duty wheels and a retractable handle. All five storage boxes slide in to the sturdy composite frame and all five boxes are fitted with strong composite clasps. The toolbox can be locked with padlocks on each side though padlocks are not included). Secure closing with lift and lock latches.• All 5 storage boxes slide out of the frame separately for easy access to the box required.