Helix 20cm Geometry Set (Pack of 10) X17881This Helix 20cm Geometry Set contains everything required for the Geometry class. Made from shatter resistant materials, the set comes in a case that can be stored in a ring binder for ease of use. Supplied in a pack of 10. Set includes: 20cm ruler, 45 and 60 degree set squares and 180 degree protractor Made from Shatter Resistant materials Single colour printed gridlines Case can be stored in a ring binder Colour: Clear Pack of 10