The Alvin 30 Series Mini Aluminum Engineer Triangular Scale is a professional pocket-sized scale for different drafting needs. It offers maximum portability with its four-inch length. With its solid aluminum construction, it is durable and lightweight.
This mini engineer triangular scale features tapered edges. It comes with various graduations such as 10, 20, 30, 40, 50, and 60 parts to the inch. It has color-coded furrows to allow easy identification of these scales. This guarantees ease of use and accurate drawings.
The Alvin 30 Series Mini Aluminum Engineer Triangular Scale also includes a vinyl sheath.