... 2. Size: A3 50.5x37cm 3. Material: PS 4. With ruler, set square, square gauge Drawing board:1. Item No.: 5029R2. ... Size: A3 50.5x37cm3. Material: PS4. With ruler, set square, square gauge A3 Drawing board, multifunctional and convenient for ... board in China. Parallel drafting arm with double-sided scale. With set square, protractor and 10x12cm square.With magnetic tape, can take out ...