plastic ruler setaa 1. straight ruler, triangle ruler, protractor 2. free sample 3. custom design and logo printing are welco plastic ruler set:1. packing: 4pcs/set, 288sets/ctn, meas:42.5x30x38cm, g.w/n.w:11/9kg;2. promt & accurate communication;3. competitive price;4. quality confirmed by clients;5. delivery as agreed;6. custom design and logo printing are welcome. plastic ruler set