Alumicolor Aluminum 6" Silver Combination Scale

Includes "architect" and "engineer" graduations.

Includes: Architect - 16 & (1/8, 1/4), Engineer - 10 & 50, Metric - 1:100 & 1:500

An architect's scale is a specialized ruler designed to facilitate the drafting and measuring of architectural drawings, such as floor plans and orthographic projections.

An engineer's scale is a tool for measuring distances and transferring measurements at a fixed ratio of length. It is used in making engineering drawings, commonly called blueprints, blue lines or plans in a specific scale.