The Foldable Jaws and High Quality Measuring Scale.
Mechanical measuring calipers offer a proven functional and reliable method to measure diameters of trees and timber. Haglöf Sweden® has produced calipers for decades, always with quality and function in mind. We apply some of the most modern technology also in our mechanical calipers, maintaining the idea of a simple-to-use, durable and reliable precision instrument.

With patented foldable jaws and the option to order the Mantax Black with factory assembled Gator Eyes laser pointers, this is an excellent choice of caliper for economic, fast and reliable precision diameter instrument in the forest. Non-wear scale print with several different graduation options. Additional ”laser scale” print on metric graduated scales for quick reading of Gator Eyes diameter results.

The Mantax Black Gator Eyes Order the Mantax Black Gator Eyes with green laser pointers Gator Eyes factory assembled on the foldable caliper jaws. When working with the Gator Eyes laser, one inch (2.54 cm) needs to be added to the scale measured result for accurate diameter readings. For millimeter graduated scale, up- and downside scale prints on the Mantax Black include a ”laser scale” for easy reading of diameter results.