مسطرة قياس الومنيوم بتصميم هندسي مثلث الشكل للمهندسين المعماريين والمهندسين والطلاب، 12 (30.48 سم)

ALL THE SCALES YOU NEED IN ONE PLACE - The 12" TruScale Engineer's triangle ruler provides 6 total scales. 1:10, 1:20, 1:30, 1:40, 1:50, 1:60
HIGH QUALITY CONSTRUCTION - Made of solid (not hollow) high grade anodized aluminum, you'll immediately notice the heavier weight and durability you're looking for.
PROFESSIONALLY PRECISE - Created and quality checked for supreme accuracy with exact measurements.
EASY TO USE AT A GLANCE - Color coded grooves allow you to quickly and accurately scale drawings.
MONEY BACK GUARANTEE - We are confident that you will have a great experience with your TruScale. If the TruScale fails to live up to your expectations, simply return it for a full refund.