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Best Choice Ashton and Wright 
Ashton and Wright - 180 Degree Protractor - 10cm - Lightweight School Protractors - Pack of 5 (Clear) A lightweight and durable protractor utilising a slim design, making it the perfect classroom accessory.TEHAUX 
TEHAUX 20pcs 180 Degree Protractor, 4 Inch, Plastic Math Protractors for Angle Measurement, Geometry Ruler for School Of Versatile Use: This 180 degrees protractor is perfect for drawing, measuring, homework, and technical drawing, making it
4-Side Magnetic Digital Level Angle Finder Protractor Inclinometer Gauge Meter Angle and slope readout conversion. Type: Four Sided Magnetic Digital Angle Finder (With Laser), One Sided Magnetic DigiAshton and Wright 
Ashton and Wright - 180 Degree Protractor - 10cm - Lightweight School Protractors (Transparent Mixed, Pack of 5) A lightweight and durable protractor utilising a slim design, making it the perfect classroom accessory.
Universal 0-320°Angle Ruler Bevel Measuring Protractor Scales Angular Dial &Case Features: 100% Brand new Great for measuring inner and outer angles of the parts. Measuring Range: 0-320 degree Laser enCELCO 
Celco Protractor 15cm 180Deg Opposite Graduations: Allows for easy reading and precise measurements from both directions.Best Value CELCO 
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Angle and slope conversion. 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