Channel made from Aluminium by Pressure die-casting process gives better grip on the drawing board for free working
Rivets are made from extrude grade Brass material. 
Results :

Non-Corrosive
Less wear and tear
More Accurate

Arms made of Brights Bars duly Chrome plated protects against corrosion and lasts longer.
Powder coated Channel Square plate and Protractor plate protects against corrosion and enhances finish.
Scale molded from special grade Polycarbonate Powder making is shatter proof. Hot stamping markings results life time Impression.
Exported to many countries abroad.
Trusted by Students, Architects and Professionals
Spare parts available in all leading stores.

Trimmed Size 420 mm X 594 mm
Untrimmed size Minimum 450 mm X 625 mm