This large-scale triangular ruler is a versatile tool for various fields such as drafting, and architecture. With its high precision large-scale markings, the ruler ensures accurate measurements. The clear and easy-to-read scale markings make it convenient for users. Features -Color:Black -Material:Aluminium alloy -Size:31.20X2.30X2.20cm/12.26X0.90X0.86in -Clear scale: the aluminum alloy material ensures that the scale markings are clear and easy to read, making measurement and drawing more convenient -Ideal size: with a length of 30 cm, this ruler for office supplies and student drafting needs, providing ample space for various tasks -Lightweight: made from aluminum alloy, this ruler is lightweight and easy to carry, yet sturdy enough to withstand regular use -Multiple : features six different , catering to a wide range of drawing and drafting requirements -Multifunctional: beyond drawing and drafting, this ruler can also be used for measuring and marking, enhancing overall work efficiency Package list: 1 x triangular ruler