A high quality folding ruler, a good tool for measure, let you can accurate measuring length and height. The ruler is made of metal, which has good elasticity and toughness. It will not be deformed after hard using. The folded ruler is convenient to carry. The Ruler is hard for the wear resistant steel spring, it's durable to use. Handing down is possible.
Promotion Ruler: Yes
Ruler Type: Straight Ruler