A service tray for use with, and attachment to, a connection box having a flange having a bolt pattern, includes an L-shaped member defining a work surface and a mounting flange at about a right angles to each other. The work surface has an upper, work surface. The mounting flange has a plurality of openings, at least some of which are aligned with the connection box flange bolt pattern. The L-shaped member has an upwardly oriented lip extending about the edges of the work surface. A portion of at least one of the mounting flange openings has opposing edges configured to receive and secure a threaded bolt. One or more mounting bolts are received in one or more of the mounting flange openings to secure the service tray to the connection box.

A service tray for use with, and attachment to, a connection box having a flange having a bolt pattern, includes an L-shaped member defining a work surface and a mounting flange at about a right angles to each other. The work surface has an upper, work surface. The mounting flange has a plurality of openings, at least some of which are aligned with the connection box flange bolt pattern. The L-shaped member has an upwardly oriented lip extending about the edges of the work surface. A portion of at least one of the mounting flange openings has opposing edges configured to receive and secure a threaded bolt. One or more mounting bolts are received in one or more of the mounting flange openings to secure the service tray to the connection box.

A tool holding frame has a track base and at least one protective pad. The track base is made of metal and has a lower portion having two engaging tabs. The at least one protective pad is made of plastic and is engaged with the two engaging tabs of the lower portion. Each of the at least one protective pad has two engaging portions respectively engaged with the two engaging tabs. Each of the two engaging portions has a bottom segment abutting against a bottom of a corresponding one of the two engaging tabs and at least one hook engaged with the corresponding one of the two engaging tabs. Each of the at least one hook has a connection segment and a hooking protrusion spaced from the bottom segment to form an engaging groove therebetween and abutting against a top of the corresponding one of the two engaging tabs.

One or more devices are provided that are configured to detachably engage within a modular system. The one or more devices are expandable to provide a surface to perform work.

One or more devices are provided that are configured to detachably engage within a modular system. The one or more devices are positionable to provide a support structure upon which work can be performed.

One or more devices are provided that are configured to detachably engage within a modular system. The one or more devices are positionable to provide a support structure upon which work can be performed.

A wheeled storage container apparatus for storing and transporting tools and equipment includes a body having a body back side with a drop lip portion extending down from proximal a body top side and defining a catch cavity to hook onto a railing. A lid is coupled to a body front side to selectively cover or expose the body top side. A pair of wheels is coupled to the body. A tray has a tray rim selectively engageable with the body top side and a plurality of tray compartments extending down into the body inside. A locking arm has a pivot portion pivotably coupled to the drop lip portion of the body back side, an arm portion extending from the pivot portion, and a catch portion extending from the arm portion. The catch portion is selectively engageable with the lid to maintain the lid in a closed position.

A wheeled storage container apparatus for storing and transporting tools and equipment includes a body having a body back side with a drop lip portion extending down from proximal a body top side and defining a catch cavity to hook onto a railing. A lid is coupled to a body front side to selectively cover or expose the body top side. A pair of wheels is coupled to the body. A tray has a tray rim selectively engageable with the body top side and a plurality of tray compartments extending down into the body inside. A locking arm has a pivot portion pivotably coupled to the drop lip portion of the body back side, an arm portion extending from the pivot portion, and a catch portion extending from the arm portion. The catch portion is selectively engageable with the lid to maintain the lid in a closed position.

A combined toolbox is provided, including: first side walls, each first side wall including connection projections; second side walls, each second side wall including connection recesses, adjacent first and second side walls being connected by engagement of the connection projections within the connection recesses, the first and second side walls defining a receiving space; fastening assemblies, each fastening assembly including a bolt and a nut; wherein one of the adjacent first and second side walls further includes through holes and the other further includes receiving holes which respectively correspond to the through holes; wherein each receiving hole receives one nut, each bolt is disposed through one of the through holes and within one of the receiving holes and is screwed with one nut, and the bolt and the nut of each of the fastening assemblies fixedly secure the adjacent first and second side walls.

A combined toolbox is provided, including: first side walls, each first side wall including connection projections; second side walls, each second side wall including connection recesses, adjacent first and second side walls being connected by engagement of the connection projections within the connection recesses, the first and second side walls defining a receiving space; fastening assemblies, each fastening assembly including a bolt and a nut; wherein one of the adjacent first and second side walls further includes through holes and the other further includes receiving holes which respectively correspond to the through holes; wherein each receiving hole receives one nut, each bolt is disposed through one of the through holes and within one of the receiving holes and is screwed with one nut, and the bolt and the nut of each of the fastening assemblies fixedly secure the adjacent first and second side walls.