Features Adjustable: The digital altimeter adopts an adjustable design, which can easily adjust the distance, realize height measurement, and multi-function plunger hole/slot depth measurement. Magnetic Supporting Feet: The LCD depth gauge is magnetically self-supporting, making it easy for feet to measure vertically. Use the freestanding magnetic feet for more accurate vertical measurements. Tightening Device: The magnetic digital altimeter has a steel locking screw to help lock the ruler to hold the measurement. Measurements can also be converted between inches and millimeters. LCD Display: The table saw depth gauge uses a digital LCD screen to display the value, which can be quickly read horizontally and vertically. Works with manual routers and router tables. Self-supporting: The table saw height gauge adopts a self-supporting design, the cutting depth can be set on the milling table, and the height can be adjusted on the back. Specification: Item Type: Table saw depth measuring ruler  Material: Engineering plastics Color: As pictures shown Measurement: Horizontal and vertical measurement Application: Applicable to manual router and router table Aperture: 60mm wide aperture Measuring Range: 0 - 80mm / 0 -31/8 in Hole depth: 0 - 50mm / 0 - 2in Resolution: 0.01mm / 0.0005 in Power Supply: CR20323V (with battery) Package List: 1 x Table Saw Depth Measuring Ruler  Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Table Saw Depth Measuring Ruler