Helping hand (tool)
Encyclopedia
A helping hand, also known as a third hand or X-tra Hands, is a type of jig
Jig (tool)
In metalworking and woodworking, a jig is a type of tool used to control the location and/or motion of another tool. A jig's primary purpose is to provide repeatability, accuracy, and interchangeability in the manufacturing of products. A jig is often confused with a fixture; a fixture holds the...

 used in soldering
Soldering
Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the workpiece...

 and craftwork
Handicraft
Handicraft, more precisely expressed as artisanic handicraft, sometimes also called artisanry, is a type of work where useful and decorative devices are made completely by hand or by using only simple tools. It is a traditional main sector of craft. Usually the term is applied to traditional means...

. A commonly produced version consists of a weighted base, arms ending in alligator clips, and optionally a magnifying glass
Magnifying glass
A magnifying glass is a convex lens that is used to produce a magnified image of an object. The lens is usually mounted in a frame with a handle ....

, held together by flexible joints. The clips are used to hold a light workpiece in place while the joints allow the user to change the position or angle. Sometimes helping hands are augmented with modules from the adjustable coolant hose systems used with machine tools.

External links

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