Check the listing for details. Pacific Arc Triangle Set 8 Inch 30/60 & 45/90. Condition: New. Listed at 7.99 USD. Pacific Arc Triangle Set 8 Inch 30/60 & 45/90 CLEAR ACRYLIC TRIANGLES- These clear triangles are made of high quality plastic. With two separate triangles, one with 30 and 60 degrees and the other with 45 and 90 degrees, be prepared for every situation with these drafting triangles. With a protractor cutout, these geometry triangles are the most versatile triangle ruler set there is.EASY TO READ GRADUATIONS- With clean precise graduations in inches and centimetres, make accurate clean lines. These small triangle rulers are perfect for travel or school. Included is a reusable case, so you never have to worry about losing or damaging your triangles. Never make a wrong measurement again.TWO DIFFERENT TRIANGLES- The 45 degree triangle has Inches and metric graduations with a protractor cutout for a full 180 degrees. The 30/60 degree triangle has a full 8 inches and metric graduations on it. Use either triangle for any situation. Their small size also makes it easy to fit in a bag or pocket. Perfect for a student or professional. ​