Wood Chalk/Whiteboard Demonstration Tools Set includes Ruler, Protractor, Compass, Triangle, and T-square Made of Wood Compass is approx. 16 1/2" Long Protractor is approx. 15 1/4" Long x 7 3/4"Wide T-square is 2 Feet Long + Top of T is approx. 1 3/4"W x 10"L