Description
A PROFESSIONAL'S CHOICE – Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century. We are known for our wide selection of high quality tools at a fair price.
VERSATILE USAGE – Ideal for calculating length and distance in classrooms and/or real world applications. You can see through the optically clear acrylic body of the triangle; clear acrylic, adjustable angle, triangle, 0.12 inches thick, 10 inches.
THUMBSCREW LOCK MECHANISM – Use the thumbscrews to keep and adjust the angle you want locked securely in place at your desired rise, slope or angle.
INCLUDES RISE AND SLOPE GRADUATIONS – Hot stamped graduations that will help you with your rise, slope and degrees. And with the inking edge its a lot easier to make sure your measurement is precise.
COMES WITH DETAILED INSTRUCTIONS – To help you and guide you on how to use the triangle properly.
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