This Helix Oxford Mathematical instrument set provides you with all the quality stationery required to help you pass Maths. Includes: Compass 9cm compass pencil 15cm ruler Sharpener Eraser 45 & 60 degree set square 180 degree protractor Lettering stencil Timetable/fact sheet A brilliant maths set for use at school or home, great for all educational needs. Product Information: Mathematical Instrument Set 9 piece set Helix Oxford Limited edition - Blue Measures: 18 x 7.5 x 2cm