Features Easy to adjust distance to achieve height measurement, multi-function plunger-hole / slot depth measurement. This magnetic self-supporting is convenient for foot-vertical measurement. Using free standing magnetic feet, vertical measurement is more accurate. The steel locking screw can help to lock the ruler to maintain the measurement. The measured values can also be converted between inches and millimeters. Digital LCD screen, can read quickly horizontally and vertically. Applicable to manual router and router table. Self-supporting, the cutter depth can be set on the router planer table, and the back can be adjusted for height. Specification:Condition: 100% brand new 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