Adjustable Triangles

Professional-quality adjustable triangle with inking edges.Features: 8", 10" or 12" adjustable triangleInking edge is compatible with any writing utensilMarked with rise in tangent, seconds, and degreesClear Acrylic

The Alvin Drafting Tru-Angle Adjustable Triangle combines the features of a 45°/90° adjustable triangle with those of a protractor, allowing you to draw angles from 0° to 90° with ½° accuracy. It boasts die-engraved graduations for professional...

Clear acrylic with smooth edges. Protractor section is graduated in 1/2 degree increments from 0 to 90 degrees. Available in even sizes from 8" to 12". Features: .118" thick clear acrylic prevents warping and provides maximum stiffnessMagnifier...

The Alvin Drafting Computing Adjustable Triangles are ideal for calculating length and distance in classrooms and professional applications, this tool features an optically clear acrylic body for easier and more accurate measuring. The thumbscrew lock...