Abstract: A pipe wrench includes jaws and a handle portion. The handle portion includes an outer shell disposed outside and an extension body encircled by the outer shell. A first end of the extension body extends into interior of the outer shell. A second end of the extension body is connected to the jaws. The outer shell and the extension body are not rotatable relative to each other. The handle portion further includes a locking element encircling the second end of the extension body.

Abstract: The present invention relates to a foldable table mechanism that is convenient to transport. The foldable table mechanism includes table tops and a foldable mechanism. The foldable mechanism includes at least one shelve unit and a plurality of support legs. The support legs include a plurality of movable units. The movable units are pivotably connected. The shelve unit is disposed between the table tops. The shelve unit is movably connected to the movable units. The support legs support and secure the table tops at an open position and are stored between the table tops at a folded position. the present invention is simple in structure, foldable and flexible to use, convenient to carry and transport, thus suitable to use in small space, such as in household setting, small food service areas, and also suitable to use for outdoor activities because it is easy to transport.

Abstract: A tool case for convenient display is provided. The tool case includes a lid, a body, and a flip display connector. The lid and the body are connected in a flipping manner via the flip display connector. The flip display connector includes a connector main body, a first pin, and a second pin. The connector main body has two parallel through holes, each pin passing through a corresponding parallel through hole. The lid may rotate 360 degrees relative to the body, thus, may be flipped over for conveniently displaying tools in the tool case. A method of displaying the contents of a tool case is provided. The method comprises the following steps of: a) opening the tool case; b) rotating the lid about 360 degrees relative to the body to a fully open position; c) locking the lid to the body in the fully open position.