Specification
spec.1:Applicable pen diameter 6.5-8mm
spec.2:45° Right Angle Triangle Ruler
spec.3:180° protractor
spec.4:Compasas
spec.5:Eraser
spec.6:mechanical pencil
spec.7:45° Right Angle Triangle Ruler

Sales Point
Sales Point1:Wipe clean
Sales Point2:Automatic correction pencil
Sales Point3:Ink is not easy to spread
Sales Point4:After sharpening, rub the pencil with delay to make it smooth