Details
LoveinDIY 4pcs Math Geometry Brass Ruler Sets Protractor Triangles Measuring Tool

Wide application: math geometry tool are useful tools for architects, engineers, artists, designers, , teacher and so on.
Material: Brass
Geometry tool for choice -- a 7inch/ 18cm straight ruler, a 4 inch protractor, 2 triangle ruler (45 and 90 degree)
Portable and durable: geometry tools are constructed of brass material, easy and handy to be put into your bags or in your desk.
Perfect for measuring beads and other jewelry components, watch bands width, ect.