SEVERAL UNITS BY DIGITAL DISPLAY: This gauge supports mm, inch and fraction inch unit that will meet you different unit requirements. Digital display for easy reading.​ CONVENIENT SWITCH: Takes with reset button for zeroing for relative measuring,which can be used to set the height of saw blades in woodwork. MAGNETIC SELF STANDING FEET: Designed with magnetic standing feet so it would firmly hold onto ferromagnetic surfaces, more convenient. MEASURING HEIGHT AND DEPTH: This is a dual-purpose gauge, can be used for measuring object height and also aperture depth, 2 in 1 tool. 100% SATISFACTION GUARANTEE & SERVICE: We provide 24-hour Friendly Customer Service. If at any time you are not completely satisfied with your purchase feel free to return it to us for a full and prompt refund- No Questions asked. What are you waiting for? Order now!, Weight: 0.47840310854 pounds, Manufacturer: Kuuleyn