Portland Navigational Triangle 200mm
- Product No:
- Blundell Harling
- 220 x 235 x 10 mm
- 92 g
- Set Square
- Sales Rank:
This 200mm set square features protractor markings and compass points with reciprocals in red, the scale is in millimetres. Manufactured from strong acrylic, this instrument is highly durable.
Portland Triangles are often used in pairs to form a parallel rule.
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