Hand Tools

MUHM Digital Protractor Ruler 0-360Degree Angle Ruler Protractor Goniometer Gauge Angle Finder Woodworking Measure Tools 1.A goniometer is an instrument which measures an axis and range of motion. 2.【Data Hold Function】The digital angle finder with a locking knob, convenient to lock the angle at any position, the hold button can hold the angles at any times which do... MUHM Digital Protractor Ruler 0-360Degree Angle Ruler Protractor Goniometer Gauge Angle Finder Woodworking Measure Tools