Trigonometric Circular Board


Product Specification:

260 mm x 260 mm x 12 to 13 mm thick plastic board. Take the center of the board 120 mm from the bottom and 120 mm from the left side and circle dia 200 mm. Circular groove 5 mm x 10 mm depth. X and Y marking on the dials. Full protractor 360o marking in center  and 5o to 10o markingoutside of dials. Dia 5mmx 10mm hole in the center and top of circular board. Three side slot 5mm x 10mm depth from circle groove to out of board end as per sample fourteen holes and one blind hole in center of circle