This is a "Straight Ruler" from Lion Office Products. The scale goes up to 60cm, and it's made of plastic. This is a "Straight Ruler A-15" from Lion Office Products. Product Name: Lion Office Products Straight Ruler 60cm A-20 Features: A 60cm long plastic ruler. I have about 5 of them, and additional ones are 2000 yen each. Long-term storage in a warehouse. The bags may have some deterioration. The rulers themselves are fine. ↓ I've compiled my stationery listings. #13 Lemon's Stationery This price includes the Rakuraku Mercari courier service (Takkyubin).