Isomars Engineering Combo Contains - *Mini Drafter - Student includes Steel Rod Metal Frame Unbreakable Scale. * Compass Set of 8 *Set Square Set of 2 *Art # SS810 - 8" x 10" *20cm/8" - 45° x 25cm/10" - 60° *Clear Plastic Bevel Edge With Protractor. *Pro Circle * Art # P45 *11cm/4.5" *Clear Plastic *Thickness : 1.8mm. Ruler 12" *Art # Y12 *Clear Plastic *Both Side Bevel *Size : 300 x 40 x 2.5mm Sheet Container is a fully expanding and adjustable sheet container.Simple to use and expand.Perfect for carrying your blueprints, documents, artwork, drawings, photo prints, maps, and everything else that you need to carry safely when you are on the road. *7 cm OD *47 cm Without Opening * 70 cm After Opening.