Providing a universal drawing tool for parallel lines, hatching, circles etc. the Linex Rolling Ruler is great for use by all ages and professions. Featuring a 30cm length, this ruler provides you with a great width that is perfect for use with a range of tasks. The double design of this ruler includes metric and imperial measurements, for your convenience. Ideal for use by all ages and professions Features 180 degree protractor Includes conversion formulas and handy figures Supplied in individual box Size: 300mm