ITEM NAME:Mini Digital Height Depth Gauge Router Table Large Digital Display Measurem E3D5 Mini Digital Height Depth Gauge Router Table Large Digital Display Measurem E3D5 Measurement:Measure range from 0-80mm(0-3.125 inch);Resolution:0.01mm/0.0005 inch. A large LCD display designed to provide clear and quick readout for your measuring. Display reads in inches with millimeters. Design:Digital height gauge can be operated by repeat settings,so you can make backfence adjustment measurements.It can be self standing when working,it can also be attached on metal surface correctly with the help of the bottom of the magnet.Highly Convenient and Useful. Widely used:It can be applied to Horizontal & Vertical measuring for Hand Router & Router Tables & Table Saws & Saw Blade & DIY & Machine & Woodwoking etc with this device.Also can be used in measuring bore and slot depths with the auxiliary plunger. Features The pin is removable as to measure the hole depths easily. This gauge will shut off automatically a few minutes later when you don't use it,so it will help you to save the battery life effectively. 60mm wide aperture. Color: blue + black Material: Nylon Package Contents: 1*Digital Height Depth Gauge For the security, NO included the CR2032 battery,so customers need to buy the battery by yourself before using it.This gauge will shut off automatically a few minutes later when you don't use it,so it will help you to save the battery life effectively.