Tools you'll find useful in all upper-level math programs. Includes the following all in a sturdy plastic storage case: Straight edge: 6" (15 cm) ruler Two triangles: 30/60/90 Triangle ruler and 45/90 Triangle ruler 180 Protractor Compass with universal holder 0.7 mm #2 Mechanical pencil 0.7 mm #2 HB lead refill Wood p Sonlight resource: https://www.sonlight.com/products/11-piece-protractor-compass-triangle-set