Based on the same dimensions and design as the classic instrument that has been used by anthropologists since the beginning of last century but updated with modern materials and utilizing state of the art manufacturing techniques.
Main body is machined out of aircraft grade 1/4 inch aluminum plate. Measuring surfaces are ground points of the aluminum arm for precise measurement. If you are concerned about potentially scratching the specimen or using the calipers on live subjects, please consider the Ball Ended version.
Scale is machined stainless and permanently laser engraved 0 - 30 cm in 1mm increments.
Joint surface utilizes a stainless steel contact plate to afford even friction along the measurement range eliminating the need for a thumb lock.
Entire unit weighs in at less than 5 and 1/2 ounces bringing the user to a new level in ease of use.
Main body dimensions are 12" x 4" when closed.
Please allow 6-8 weeks for delivery