GemRed Digital Height Display Woodworking Review

【Accurate Data】 The GemRed Depth Gauge applies Absolute Depth Sensor , to ensure the accuracy of data up to 0.1mm/0.004’’, resolution is 0.05mm/0.002’’. ☆Measure range:0~80mm (0~3 1/8" ). 【Locking Function &Magnetic】 The Locking screw can help to lock the ruler to maintain the measurement. With free standing magnetic feet, vertical measurement of Height Gauge is more accurate. 【inches/millimeters】The measured values can also be converted between inches and millimeters to meet the user's various habits. 【Large LCD Display】 Quickly and Clearly read horizontally and vertically. Applicable to manual router and router table. 【Muti-Function】 3 in1-Height measurement/ Plunger-hole / Slot depth measurement. POINTER: On one of the legs and can be clipped to the ruler to accurately check any holes, mortices, or slots up to 50.8mm deep.