Agile-Shop 0-320&deg; Universal Stainless Steel Vernier Bevel Protractor, Precision Angle Measuring Finder Ruler Tool Material : Stainless Steel; Measuring Range : 0-320; Reading : 2' Laser engraving scales Furnished with a bevel edged extension blade, roller knob and fine adjustment Overall Size : 15.5 x 15 x 0.8 cm / 6.1" x 6" x 0.3"(L*W*T); Net Weight : 332 g / 11.7 oz Package Content : 1 x Universal Bevel Protractor