Multifunctional ruler

The utility model discloses a multifunctional ruler, it contains ruler (1), guide way (2) have been seted up to one side axial of ruler (1), and the both sides of this guide way (2) last top surface are provided with respectively ends limit (21), guide way (2) in be provided with direction slider (3) rather than clearance sliding fit, be provided with certain space between the bottom of should lead slider (3) and the bottom surface of guide way (2), the last top surface department of direction slider (3) upwards extend one with being connected of limit (21) clearance sliding fit only draw runner (31), should connect on draw runner (31) the end fixing of top surface has one pressure button (4), the middle part vertical fixation of direction slider (3) bottom surface has one guiding axle (5). The utility model discloses simple structure, convenient to use under the condition that does not influence its original service function, can measure the deep hole that axial length is darker in effectual realization, has improved holistic practicality.