what-is-a-jenny-caliper

what-is-a-jenny-caliper

 

What is a jenny caliper?

         
         
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  Jenny calipers are sometimes called odd leg calipers, oddleg jennys or hermaphrodite calipers.  

Jenny calipers are sometimes called odd leg calipers, oddleg jennys or hermaphrodite calipers. 

 
         
  A jenny caliper works in a similar way to a compass. One end is set in a fixed location, and the other is used to scribe or measure. They are used to draw a line a set distance from the edge of a part but are also useful for locating the centre of a workpiece. Jenny calipers are primarily used with parts made of metals such as steel, but can also be used with glass and hard plastics.  

A jenny caliper works in a similar way to a compass. One end is set in a fixed location, and the other is used to scribe or measure. 

 

They are used to draw a line a set distance from the edge of a part but are also useful for locating the centre of a workpiece.

 

Jenny calipers are primarily used with parts made of metals such as steel, but can also be used with glass and hard plastics. 

 
         
  Oddleg calipers are a cross between a divider and an outside caliper (see What is an Outside Caliper); they have one leg of each of these tools.  

Oddleg calipers are a cross between a divider and an outside caliper, as they have one leg of each of these tools.  

 

For more information, see our page: What is an outside caliper?

 
Wonkee Donkee says: 'A divider is a tool used to scribe arcs or circles. They are also used to lay out measurements on a rule and to transfer distances for measurement to a rule.'
         
  Jenny calipers have either a spring joint or a firm joint. Some also have an adjustable point which increases the capacity of the tool.  

Jenny calipers have either a spring joint or a firm joint.

 

Some also have an adjustable point which increases the capacity of the tool.