One Protactor is a Lineal icon from the College pack. Because it uses one color, you can recolor it in one click and it stays crisp at every size. Use it for buttons, menus, navigation bars and app interfaces. Download it free as SVG or as a PNG at any size, copy it as a React or Vue component, or open it in the editor to change its colors, stroke and background. Related searches: measure icon, office material icon, school material icon, measuring icon.