Abstract: A support for supporting a distance measurement device on a tool, includes a main body and an adjustment part. The main body includes an attachment part for removably attaching the support to a tool. The adjustment part is attached to the main body and includes a mount for removably mounting a distance measurement device thereto. The mount is movable with respect to the main body to adjust a position of the distance measurement device with respect to the main body. The distance measurement device may comprise a distance measuring roller configured for measuring distances along surfaces by rolling contact therewith. The distance measurement device may be removably attachable to a tool by means of the support, for measuring distances on a workpiece worked on by the tool.

Abstract: A stackable storage system is disclosed. The system includes a base storage container disposed on a wheeled cart, and one or more additional storage containers removably secured on top of the base container. The system further includes a power outlet box which is interchangeably securable in the system with the other storage containers. The power outlet box includes an extendable AC power cord which may be plugged into a wall outlet, and one or more electrical output plugs, include AC outlets and USB outlets which are powered by the AC power cord. The power outlet box and other containers are securable to each other by a spring loaded latch system. The power outlet box is also usable separate with a storage container having an overhead carry handle allowing both the container and power box to be transportable together.