Multi-functional Protractor Angle Finder Slope Scale Level Measuring Instrument with Magnetic Base High Precision Measur

Features High precision bevel protractor declinometer slope horizontal and vertical It is easy to manufacture and easy to manufacture for ABS engineering plastics Use high strength with a simple level pipe double attention to the map The dial has a large number and easy reading It has a gradient and angle comparison table Specification MaterialPlasticColorBlackAccuracy plus or minus 1 angle Measuring range a 130 angle 0 angle 130 angle 50 angle 90 angle 0 angle 90 angle 50 angle b 1 points 8 points 0 5 scale 10 12 15 18 20 Size250mm x 125mm x 25mm L x W x H Weight250gPackage includes 1xSlope Scale