Helix Geometry 4 Tool Set (Includes scale ruler, 2 x set squares and protractor)
Your geometry needs will be taken care of with this Helix set containing the essential tools for maths and design classes. The 20cm ruler, two set squares and 180 degree protractor are great for your measuring and angle drawing tasks. Each instrument is constructed from durable transparent blue plastic for a sustained use. 180 degree…
