Key features

• •【Brass Protractor SIZE】12cm(4.7in)(L)*5.7cm(2.2in)(W)*0.2cm(0.1in)(THICKNESS)【Straight Edge SIZE】14cm(5.5in)(L)*7.1cm(2.8in)(W)*0.2cm(0.1in)(THICKNESS)【Red Copper Triangle Ruler SIZE】9cm(3.5in)(L)/8cm(3.1in)(MAX SCALE)【Double Scale Vernier Caliper SIZE】15cm(5.9in)(MAX SCALE)*1.7cm(0.7in)(W)*0.2cm(0.1in)(THICKNESS)【PACKAGE INCLUDE】a set of 4 above rulers
• •MATERIAL: Except Red Copper Triangle Ruler and Double Scale Vernier Caliper are made of red copper, other 2 rulers are made of brass.
• •DESIGN: Fine drawing process with both front and back sides, simple yet tasteful style with delicate texture. The Red Copper Triangle Ruler is carefully grinded on the edge that will not tear pocket on clothes, it is safe to carry.
• •FUNCTION: The product is much more durable and long-lasting compared to normal plastic rulers. They could be used to measure mm,cm,inch, angle and draw drafts, the red copper triangle ruler could also be carried on to measure small antiques.
• •NOTED: The brass and red copper are both have color variability, it would change its color during natural oxidation with time going by to form a peculiar style of antique and would have a sense of ancient.