Composite material for superior reliability and durability. 

Digital display with decimal inch, decimal metric and fractional readout. 

Push button conversion. Range: 6”/150mm with .0005”; .01mm; 1/64” resolution. 

Four measurements: inside, outside, depth and step. Large LCD panel for easier reading. 

Two (2) LR44 1.50V batteries included. Range: 6”/150mm