Total length of the beam compass with beam fully retracted is about 31cm

Total length of the beam compass with beam fully extended is about 57.5cm

Max circle diameter you can make is about 1100mm. 

Weight of the beam compass is 149g.

Weight of the beam compass in it's case is 762g.

The size of the closed case is 15" x 6 1/2" x 1 1/4"

There is currently one needle point in each end of the beam compass.

A lead can be put in one end instead of a needle point. Lead not included.

The beams are not graduated. There are no length markings.

There is no manufacturing marks or labels on the beam compass itself.

The manufacturing label on the front of the case is Hellerman.

The beam compass will be shipped so the beam compass does not rattle around inside it's case. 

The case has scratches and worn corners and stains in the red velvet interior. See photos.