6IN ENGINEER DRAFTING SCALE: An ultra convenient and multi-functional drafting tool that allows architects and engineers to select multiple scales all in one product ROTATING CALIBRATION ROD: The unique design incorporates a sculptured arch on the bottom for ease of movement and the rotating rod displays one of six available scales while the solid aluminum base has fixed scales on the front as well as a raised inking edge FIXED AND ROTATING SCALE: Fixed scale is 50 parts per inch and the rotating scale are 10, 20, 40, 10:1, 20:1 and 40:2 MADE FROM EXTRUDED ALUMINUM: Calibrations on each scale are created using our photo-anodizing process that resists wear and won't rub off ALUMICOLOR IS QUALITY - Made with the highest quality extruded aluminum all scales have smooth edges and are calibrated to exact specifications The Select-A-Scale six-inch engineer drafting ruler is a unique and inventive aluminum engineering scale with a rotating calibration rod. It is made from high-quality extruded aluminum with ultra-smooth edges. Fixed scale is 50 parts per inch, and the rotating scales are 10, 20, 40, 10:1, 20:1 and 40:1. This scale is an ultra-convenient and functional drafting tool that allows the user to select multiple scales all in one product. This item is a sleeker and more portable version of the more-traditional triangular drafting scale. Available in 7 colors!
| Color | Purple |
| Size | 6IN |
| Gtin | 0647020750739 |
| Mpn | 7507-3 |
| Age_group | ADULT |
| Condition | NEW |
| Gender | UNISEX |
| Material | Aluminum |
| Product_category | Gl_office_product |
| Google_product_category | Office Supplies |
| Product_type | Office Products > Office & School Supplies > Education & Crafts > Teaching Materials > Drafting Tools & Kits |