Isomars Engineering Kit Drafting Machine

1. Mini Drafter - Student includes Steel Rod Metal Frame Unbreakable Scale.2. Technical Precision Rapid Adjustment Compass Set has convenient rapid adjustment through button-mechanism. Precise settings. Simultaneous opening and closing of both legs. High degree of protection against unintended leg opening and thus change in radius. Length: 185 mm Comes with spare needle and lead box.3.French Curves- Set of 3 includes shapes A,B,C Shapes Sizes A 317X90X2.5mm B 170X81X2.5mm C 134X70X2.5mm Made from clear plastic with inking edges.4. Technical Drafting Rulers are combination of 10" and 12" professional triangles made of clear plastic . Set Squares are used in conjunction with straightedge of drawing board to draw accurate angles. 25cm/10"- 45 degrees 30cm/12"-60 degrees Thickness - 2.9 mm Markings on both side in mm/inch.5. 12 Inches clear plastic scale.6. 6 Inches Half D protractor 180°