LGEGE 7 PCS Rulers Protractor Metal Mechanical Pencil Compass ball pen (Math Geometry Tool Set) 100% high quality Recommended Reason: Math Geometry Tool Set 8 Pieces, Easy to store, a convenient choice for teachers and students. Great math tool set for school, plastic storage case for on the go convenience. Set includes: 1 x ball pen, 1 x graphite refills, 1 x ruler, 2 x set squares, 1 x protractor, 1 x Graphic Compass. Case dimensions: 6.6 x 2.8 x 1.1 in (L*W*H) Plastic durable case to protect and keep tools in one place.