Shape:straight,triangular & circle Material:plastic Usage:school and office MOQ:20000 Plastic ruler,drawing ruler,ruler set Plastic ruler,drawing ruler,ruler setMOQ20000pcsPayment termsL/C,T/TDelivery ... number:MD11621-1,11590-1,11590-2,11564,116052) Shape:straight,triangular and circle3) Material:plastic4) Usage:school and office5) Place ...