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Adjustable Set Square│Set Square│Duo Board │Design Table
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ADJUSTABLE SET SQUARE                 

chartmate brings you

the Best tool for drawing,

cutting and calculation.

Easy to find the Slope length and height through vernier indicator.

Features:

>>High impact acrylic
>>With graduation and para-vertical level, it
     makes easier for drawing.
>>304 Stainless steel hinge with double  
     structure which maintains the angle
     precision. You can twist up and down the
     product to exam its quality.
>>Precision quality / Precision degree
>>With ink edge on all the three sides

A multipurpose set square

1. It can be used to draw any angles, completely
    replace the 30°, 60°, 45°, 90° triangles.

2. Directly read Rise (Tangent) and Slope (Secant)
    Scale from the vernier indicator, and easily find the
    slope length and height.

3.Add metal edge on the Slope side, which provides
   cutting
   function.(Optional)  While cutting, hold the knob in the
   center for easy operation.

                           
HOW TO USE TRIGONOMETRIC SCALES?

                     

How to find A?

  For all kind of technical drawing
  

For architecture, landscape design and interior design

  
　

Multi-functional, perfect for model making and engineering calculation.