The 30-Centimeter Flexible Ruler, model 1-03031-00, is a tactile, braille, and large print ruler designed for use by individuals who are blind or have low vision. This flexible plastic ruler allows tactual and visual measurement of both flat and curved surfaces. Centimeters are indicated with raised black lines, and even numbered marks are labeled in both braille and large print. These rulers are sold in packages of five. DIMENSIONS (LxW): 30 x 3 centimeters.