Features: Package Includes: 12inch/30cm or 24inch/60cm wooden ruler. Double sided scale measuring drafting ruler. Wooden measuring ruler with double sided measuring features sharp delineated numerals and graduations. Made from good quality wood material, very durable and not easy to bend, with smooth surfaces, easy to use. The scale of the ruler is very clear and accurate, will be helpful you in measuring your items accurately and architectural drawing. A must have measuring tool for students, teachers, artists, designers, architects, engineers, construction and more. Perfect to have it in classroom, school, office, etc. Specifications: Material: Wood Color: Wood Color Type: 12Inch/29cm; 24Inch/60cm Small Size: Approx. 29cm/12in Long Size: Approx, 60cm/24in Weight: Approx. 30g; 60g Package Includes: 1 Piece Wooden Ruler note: 1.Please allow 0-1cm error due to manual measurement. make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you