An apparatus and method for holding a lug nut. The apparatus includes a base (150), a barrel (140), a lug nut engagement assembly (130), a plunger and a cam guide (170). The barrel (140) is coupled with the base (152) in a manner allowing the barrel (140) to move upwardly or downwardly within the base (150). The barrel (140) has an internal cam track portion (145). The lug nut engagement assembly (130) includes retractable fingers (132). The lug nut engagement assembly (130) is removeably affixed to the barrel (140). The plunger (160) is disposed within a portion of the lug nut engagement assembly (130), the barrel (140) and the cam guide (170). The plunger (160) has a tip for engagement with the retractable fingers (132). The cam guide (170) is disposed and moveable within a bottom portion of the barrel (140). The cam guide (170) has longitudinal rails (172) for engagement with the internal cam track (145) of the barrel (140).

An anti-slip torque tool that utilizes a plurality of grooves to prevent slippage and facilitate torque transfer to a fastener. The tool includes a wrench torque-tool body and an at least one engagement element. The wrench torque-tool body includes a plurality of internal sidewalls, a first base, and a second base. Further, each of the internal sidewalls includes a bracing surface. The engagement element includes at least one first groove and at least one second groove, wherein each further includes a primary cavity and a secondary cavity. The engagement element is laterally integrated into a specific sidewall to provide additional gripping action. The first groove and the second groove are positioned offset from each other, along the bracing surface of the specific sidewall. The primary cavity and the secondary cavity each traverse normal and into the bracing surface from the first base to the second base.

Method of removing a valve cap threadedly engaged with a valve body includes inserting at least one coupling rod from a cap adapter through a valve cap attachment hole to couple the structures, coupling an output drive of a torque multiplier with the adapter, and exerting an input torque on the torque multiplier to rotate the adapter and valve cap, the input torque exerted on the torque multiplier being increased by the torque multiplier.

A nut driver includes an elongate drive shank and a reversible socket. The socket has a first hex socket opening sized to engage a hexagonal profile of a first size, and a second hex socket opening sized to engage a hexagonal profile of a second size that is larger than the first size. The socket is mountable on the drive shank in either a first orientation that presents the first hex socket opening for use, or a second orientation that presents the second hex socket opening for use. Additionally, in the first orientation, the socket is mountable in either a screw head receiving position or a drive bit receiving position.

The multifunctional water meter key is an apparatus that includes multiple water meter keys that may be operated on a variety of water meter valves and plugs, mutually exclusively. To accomplish this, a main rod provides enough length and reachability for the device, and a first water meter key is mounted on to a terminal end of the rod. Further, a second water meter key that may be operable on multiple plugs/valves, is mounted in a slidable fashion across the rod and temporarily fastened at various positions across the rod. A flexible fastening mechanism enable fastening of the second key in such a way that the position of the second key does not interfere with the operation of the first and/or second water meter key. Additionally, a handle provides leverage for the apparatus to operate on various water meter valves.

A lightweight socket structure is composed of a fastening end and a driving end, wherein the driving end has a plurality of side connecting surfaces and at least two first holes. The side connecting surfaces are connected around the driving end. Two of the first holes penetrate the driving end symmetrically with respect to the central axis of the lightweight socket structure. The weight of the lightweight socket structure is decreased by the provision of the first holes. The provision of the side connecting surfaces allows the driving end to be connected with force application tools of different types.

A lightweight socket structure is composed of a fastening end and a driving end, wherein the driving end has a plurality of side connecting surfaces and at least two first holes. The side connecting surfaces are connected around the driving end. Two of the first holes penetrate the driving end symmetrically with respect to the central axis of the lightweight socket structure. The weight of the lightweight socket structure is decreased by the provision of the first holes. The provision of the side connecting surfaces allows the driving end to be connected with force application tools of different types.

A torque connector structure includes a first body, a second body assembled with the first body, a first drive member assembled with the first body, a second drive member received in the first body and having a plurality of first receiving grooves each having a cylindrical shape, a third drive member received in the first body and the second body, a fourth drive member mounted on the third drive member and having a plurality of second receiving grooves, an elastic member biased between the first drive member and the second drive member, and a plurality of pins received between the first receiving grooves and the second receiving grooves. The second drive member and the first drive member are driven simultaneously.

A magnetic sleeve includes a body and a magnetic unit disposed in a second section of the body where a locking socket and a mounting hole are formed and communicating with each other. The mounting hole is enclosed by a peripheral wall while taking a reference point as center. The peripheral wall includes at least one engagement surface and at least one curved wall surface. Each engagement surface has two transition points for meeting the wall surface. The formation of one engagement surface or more engagement surfaces not only attains a firm engagement between the magnetic unit and the mounting hole but also forms a space therebetween to discharge air from the mounting hole smoothly, thereby preventing the magnetic unit from being broken during the installation. The space is also minimized to avoid undue accumulation of metal chips and allow the magnetic unit to be held in position stably.

A tool for torquing a regulator onto a cylinder of a portable cylinder assembly. The tool includes a nut and a socket. The nut is configured to fit around a body of a regulator of a portable cylinder assembly. As such, the nut has a first set of grooves that avoids one or more valve assemblies on the body of the regulator. The socket has a cavity extending therethrough such that the cavity consists of three sections: a top section, a middle section and a bottom section. The top section of the socket is configured to be coupled to a device that applies a torque force on the socket. The middle section of the socket is configured to avoid a case of the regulator which is disposed above the body of the regulator. The bottom section of the socket is configured to be coupled to the nut.