Take the stressful twist out of your measurements with this fantastic Helix Set Square. This bit of kit extends just a little over 28 centimetres and contains a diagram for reference.
For geometric precision, this set is an excellent piece of stationary for you or your kids.
- Maximum Length is 28 cm (Approximately 11 inches.)
- 60 Degree Angle.
- Ideal for technical drawing.
Helix Set Square 60 Degrees