The 12" Template Triangle (GT-187) stands as a cornerstone of precision in drafting and geometry tasks. This versatile tool combines the functionality of a 45/90 triangle with convenient circle templates and a built-in 12" ruler. Crafted with accuracy in mind, it enables users to create precise geometric constructions, measurements, and layouts with ease.

Whether you're an architect, engineer, or student, the 12" Triangle offers unparalleled versatility and reliability for a wide range of drafting needs.