Features: 

• Included eccentric points can be replaced by pencils, ballpoint pens, crayons or soapstone sticks
  
• Fine adjusting screw for point setting
  
• Die-cast body and ground needlepoint legs

Details: 

The Adjustable Trammel is ideal for transferring measurements, scribing arcs and drawing large circles. It accurately measures and marks distances beyond range of conventional compasses and dividers.