Scalex Scale-Link USB

52 built-in and thousands of available user-defined scale factors. Includes all common scales-Imperial and Metric too Calculate auto-scale factor from reduced, enlarged or odd-scale drawings Measures in kilometers, meters, centimeters, feet, yards, miles and inches Calculates square and cubic dimensions for regular areas and volumes Counter and adder buttons on probe tip let you count items or add fixed lengths as you scale Create, store and retrieve 2 user-defined scale factors