Protoractor, Protoractor No19 angle Measure, Measures 0 to 180 Degree 0cm Adjustable Arm Set, Hard Crome Finish - more info check here: http://www.buymeasuringtools.com/Quality-Stainless-Steel-Protractor-Square-10120016/
Quick Brief
Place of Origin: China (Mainland)Brand Name: ShinwaModel Number: 62480Metarial: StainlessFinish: Hard CromeArm: Single 10cm