Designed with a large digital LCD display for easy reading of data Face down measurement, with data output interface, large LCD display (inches and metric units) Digital feeler gauges are made of lightweight and durable engineering plastics On/off switch, reset at any position, metric and inch switch at any position. Digital thickness gauges can be used to measure the thickness of thin, ragged, or delicate items such as jewelry, paper, leather, and thread The width gauge supports all position reset functions, metric and inch switching, manual power on and off, and auto power on.