... :30cm/15cm 5)transparent color high quality 30cm clear plastic Ruler with metal edge 1) Item No.:4549042)Material: plastic+metal3) Specification ... :24PCS/CTN We can Supply different Kinds of Ruler (Including aluminum ruler,Metal ruler,Plastic ruler,wooden ruler),OEM are welcome,High quality and competitive ... ,box packing,etc. 2012 new design 15cm and 30cm transparent ruler (with metal edge)