Description: Model triangular scale ruler for 1/12 1/24 /1/32 1/35 1/48 1/72. Made of metal,durable and portable. Reliable construction and accurate performance. Diy accessory for hobby craft models. Ideal for any architect, draftsman, engineer, model makers fans,or student. Specification: Material: Metal Size:Approx. 17cm/6.7inch Package Includes: 1 Piece Triangular Scale Ruler Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!