CST/berger 77-195 DMW40 12" Digital Measuring Wheel in Feet/Inches Feet/Tenths and Meters/Decimeters Automatically Convert units of measure from reading or stored readings 12" Aluminum Wheel with Digital Counter Handle Mounted Display for easy Reading Measures in Ft/In, Ft/10ths, Metric Snap-Lock Handle provides durability in the field and collapses for easy storage