Proportional Brass Caliper 32cm

Solid Brass Proportional Caliper 12 Inches

Among several functions, proportional dividers can be used to increase or decrease dimensions- it is a must have for all sculptors that are manually enlarging or reducing a piece.  
The Proportional caliper is not just for sculptors - it is also great for doctors, lawyers, heads of state, surveyors, Marines, civil engineers and even students. For anyone who appreciates fine Italian craftsmanship. Also makes a Great Gift!