The 18-Inch Flexible Ruler, model 1-03050-00, 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 flat or curved surfaces. It has raised lines in quarter-inch increments and numbers in braille and large print. DIMENSIONS (LxW): 47 x 4 centimeters. COLOR: Ruler is white with black lines.