The stanley 1 70 327 2 in 1 mobile work centre is a detachable top toolbox unit with small parts storage on top the bottom bin has large 7 inch wheels and the pull handle on top allows for easy convenient manoeuvrability large metal latches connecting the units provide extra security whilst in transport the mobile work centre has a huge storage volume for power tools hand tools small parts and accessories dimensions 475 x 284 x 570mm