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.

A modular tool holder 20 includes upright bodies 22 composed of a generally U-shaped riser 24 extending upwardly from base sections 26. Horizontally extending tongues 28 project from one side of each base 26, and complementary horizontally extending grooves 30 are formed in the opposite side of each base. One or more spacers 32, 34, 35, 36, 38, and 40 is/are positioned between the base sections 26 of the bodies 22. The spacers can be of various configurations to receive and hold various tools such as screw drivers, wrenches and plyers. The bodies 22 and spacers can be assembled in innumerable configurations to accommodate different tools sets in drawers and toolboxes, on work benches and in other locations.

A modular tool holder 20 includes upright bodies 22 composed of a generally U-shaped riser 24 extending upwardly from base sections 26. Horizontally extending tongues 28 project from one side of each base 26, and complementary horizontally extending grooves 30 are formed in the opposite side of each base. One or more spacers 32, 34, 35, 36, 38, and 40 is/are positioned between the base sections 26 of the bodies 22. The spacers can be of various configurations to receive and hold various tools such as screw drivers, wrenches and plyers. The bodies 22 and spacers can be assembled in innumerable configurations to accommodate different tools sets in drawers and toolboxes, on work benches and in other locations.

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.

Methods and apparatus to provide visual information associated with welding operations are disclosed. An weld training system includes a display, a camera, a communications device, and a welding helmet. The communications device communicates with welding equipment. The welding helmet has a view port. The communications device is configured to hold the camera, the communications device, and the display such that, when the welding helmet is worn by a wearer, the display is viewable by the wearer, the camera has a view through the view port such that the display displays to the wearer images taken by the camera through the view port and displays a simulated object generated based on information received from the welding equipment via the communications device.

A storage system includes a panel secured to a support surface and a storage container removably supported on the panel. The panel includes a plurality of cleats spaced apart from one another. The storage container includes a first container portion, a second container portion, and a support feature removably engaging at least one cleat. A side of the second container portion is pivotably coupled to a side of the first container portion by a hinge. The second container portion and the first container portion are pivotably movable between a closed position and an open position. The support feature is positioned on at least one of the first container portion and the second container portion.

Methods and apparatus to provide visual information associated with welding operations are disclosed. An weld training system includes a display, a camera, a communications device, and a welding helmet. The communications device communicates with welding equipment. The welding helmet has a view port. The communications device is configured to hold the camera, the communications device, and the display such that, when the welding helmet is worn by a wearer, the display is viewable by the wearer, the camera has a view through the view port such that the display displays to the wearer images taken by the camera through the view port and displays a simulated object generated based on information received from the welding equipment via the communications device.

A socket organizer for releasably holding socket holders is provided. The organizer has a plurality of friction fit posts onto which sockets are positioned and held securely.