📐 Navigate with confidence—precision that never fades!
The Douglas Protractor by Sterling Book House is a high-accuracy, laser-cut measuring tool crafted from UV-resistant thick plastic. Designed to eliminate parallax errors, it’s ideal for precise angle measurements across land, marine, and air navigation. Lightweight yet durable, it includes a ruler and scale, making it an essential tool for professionals demanding reliability and longevity.
| Brand | Sterling Book House |
| Manufacturer | Sterling Book House |
| Country of Origin | India |
| Number of Memory Sticks | 1 |
| Item Weight | 500 g |
| Item Weight | 500 g |
| Item part number | Douglas |
| Included Components | Ruler, scale, protractor |
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