Ideal for students and professionals, the triangular Staples® Scale Rule comes with clear, colour-coded divisions for convenient use.
Calculate dimensions for plans and blue prints with this accurate triangular scale. This simple ruler is an ideal tool for architects, and aids in precise drafting of floor plans, with its colour-coded divisions. Its lightweight, plastic body makes it durable and handy, allowing you to carry it around with ease.
Triangular scale rule
Suitable for scaling maps, drafting floor plans and more