Chinotakura maenga ane 180°/360°. Dhizaini yakajeka ine ma graduation akadhindwa. Ndapota taurai nesu nezve MOQ, mutengo, mumiririri nezvimwe zvinhu zvekushandira pamwe.
MaProtractors uye Semicircular
Zvinhu: purasitiki inoonekera
Hwaro: 10/12.5cm