4pcs Math Drafting Drawing Sets Square Triangle Ruler Protractor

• 45/ 90 degrees, 30/ 60 degrees triangle rulers, protractor and straight ruler
• Made from transparent durable acrylic, high quality and sturdy, not easy to be scratched
• Cut-out identification and ruler scales printed in easy-to-read black ink.
• Protractor center cutout for easy finger lifts and accurate angle measurement
• Rulers are useful tools for architects, engineers, artists, designers, students, teacher, etc.

Package Includes:
1 x 15cm Straight Ruler
1 x 45 degree Triangle Ruler
1 x 180 degree Protractor
1 x 60 degree Triangle Ruler
1 x Small Ziplock Pencil Case