A multi-tool (or multitool) is a

hand tool A hand tool is any tool that is powered manual labour, by hand rather than a motor. Categories of hand tools include wrenches, pliers, cutter (disambiguation), cutters, File (tool), files, hammer, striking tools, chisel, struck or hammered tools, ...

that combines several individual functions in a single unit. The smallest are credit-card or key sized units designed for carrying in a wallet or on a keyring, but others are designed to be carried in a trouser pocket or belt-mounted pouch.

History

The idea of incorporating several tools in one unit is very old, dating back at least as far as Middle Roman times. Many of these were used for eating.

Pocket knives

Among the earliest contemporary examples is the Swiss Army knife, as supplied by makers Victorinox and Wenger. The actual version supplied to the Swiss army includes a

knife A knife (: knives; from Old Norse 'knife, dirk') is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least Stone Age, 2.5 million years ago, as e ...

blade, a

reamer A reamer is a type of rotary cutting tool used in metalworking. Precision reamers are designed to enlarge the size of a previously formed hole by a small amount but with a high degree of accuracy to leave smooth sides. There are also non-precisio ...

, a bottle-opener–

screwdriver A screwdriver is a tool, manual or powered, used for turning screws. Description A typical simple screwdriver has a handle and a shaft, ending in a tip the user puts into the screw head before turning the handle. This form of the screwdriver ...

– wire stripper, and a can-opener–screwdriver. Besides Victorinox and Wenger, many other manufacturers now make similar knives. Other versions may include items like a nail file,

tweezers Tweezers are small hand tools used for grasping objects too small to be easily handled with the human fingers. Tweezers are thumb-driven forceps most likely derived from tongs used to grab or hold hot objects since the dawn of recorded history. ...

, folding

scissors Scissors are hand-operated shearing tools. A pair of scissors consists of a pair of blades pivoted so that the sharpened edges slide against each other when the handles (bows) opposite to the pivot are closed. Scissors are used for cutting var ...

, a tooth pick, a

magnifying glass A magnifying glass is a convex lens—usually mounted in a frame with a handle—that is used to produce a magnified image of an object. A magnifying glass can also be used to focus light, such as to concentrate the Sun's radiation to create ...

, screwdriver bits and others. There are also versions that have special tools for specific sports or outdoor activities like

golf Golf is a club-and-ball sport in which players use various Golf club, clubs to hit a Golf ball, ball into a series of holes on a golf course, course in as few strokes as possible. Golf, unlike most ball games, cannot and does not use a standa ...

, horseback riding,

shooting Shooting is the act or process of discharging a projectile from a ranged weapon (such as a gun, bow, crossbow, slingshot, or blowpipe). Even the acts of launching flame, artillery, darts, harpoons, grenades, rockets, and guided missile ...

hunting Hunting is the Human activity, human practice of seeking, pursuing, capturing, and killing wildlife or feral animals. The most common reasons for humans to hunt are to obtain the animal's body for meat and useful animal products (fur/hide (sk ...

fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment (Freshwater ecosystem, freshwater or Marine ecosystem, marine), but may also be caught from Fish stocking, stocked Body of water, ...

. Versions intended for

cyclist Cycling, also known as bicycling or biking, is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles. Cycling is practised around the world fo ...

s may have a selection of allen (hex) keys, a selection of wrenches, screwdrivers, a spoke wrench, and a

chain tool 400px, A typical chain tool. With a chain placed on the central sprocket, the screw is turned until a pin is pushed from the linkage A chain tool is a small mechanical device used to "break" a bicycle chain in such a way that it can be mended w ...

Folding multi-tools

In 1983, Tim Leatherman sold his first " Pocket Survival Tool", ⁣ larger and more robust than a pocket-knife-based tool, and incorporating a set of needle-nosed pliers in a butterfly knife-style mechanism. Too large for most pockets, it came with a belt pouch.

Other multi-tools

Other multi-tool functions include a hammer, LED light, lighter, tape measure and an assortment of screwdriver bits. Multifunction tools may be specialized for use in certain activities. Cyclists may carry a folding tool with screwdriver bits or wrenches to allow adjustment of bicycle fasteners during a ride, or for repairing a broken chain. For sport fishermen, a specialized multitool may combine common functions such as cutting fishing line, crimping weights, removing hooks or opening split rings. A specialized multitool may be used for adjustment, cleaning or minor repair of a firearm in field use. Since 2007,

smartphones A smartphone is a mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as mult ...

have emerged as a popular multi-tool category.

References

External links