ALVIN 12 Inches Clear Professional Acrylic Triangle Ruler 45/90 Degrees Model 131C-12 Multipurpose Tool For Drafting, Design, And Architecture, Great For Machining And Woodworking

Pacific Arc 12" - 30/60 Professional Fluorescent Triangle - Straight Edge

Blick Aluminum Triangles - 12", 45/90

Alumicolor Aluminum Triangle - 12", 45/90

Blick Aluminum Triangles - 12", 30/60

Wooden Triangle Cutouts, Unfinished | Woodpeckers Crafts 12 Inch

Staedtler Triangle - 12", 30-60 Degree

Pacific Arc 12" Professional Adjustable Triangle With Inking Edge

Alvin 12" 30/60 Academic Transparent Triangles

Acurit Adjustable Triangle 12" With Inking Edge