WELL RESISTANCE&DURABLE: This height gauge is made from engineering plastic, this height gauge is durable and has a long service life. 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- gauge, can be used for measuring object height and also depth, 2 in 1 tool. 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 for relative measuring,which can be used to set the height of saw blades in woodwork. Colour:black Material:ABS plastic+glass fiber size:30cm Package Contents: 1 x Digital Height Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.