2 Pieces of large clear triangle rulers: 13cm 45/ 90 degrees and 27 cm 30/ 60 degrees; Material: plastic; Durable, sturdy and easy to use
Unique design: 2 kind of measuring units,
With hollow centre: the student triangles are easy to grip; The hollow centre of 45/ 90 degrees triangle is a protractor and the other is a interesting hollow drawing pattern
Wide application: the rulers with right-angle are useful tools for architects, engineers, artists, designers, students, teacher, etc.
Ideal additional tool for pattern grading, marking or quilting
