Rolfes® Adjustable Set Square 25 cm

Rolfes Adustable set square 25cm
650x470x285mm
• Scale: Metric Precision 0.5 Degree Scale
• The graduated arch, manufactured in one part with the arm, is precision divided in half degrees, tangent and secant scales.
• All angles betwen 0-45° are automatically indicated, the length of the secant or the height of the tangent for length of base=1.
• Example: V=30°, Tangent=0.577, Base=700mm, Height=0.577×700=403.9mm.
Secant=1.155, Length=1.155×700=808.5mm.