Westcott See Through Acrylic Ruler, 12", Clear: * Ideal for home, school and office * Accurately scaled in 1/16" on 1 side and millimeters on the other * Ends have extra margins for clear starts and stops and plumb lines to aid in checking right angles * Raised beveled edges * Hang-up hole * Ruler type: standard/metric * Length: 12" * Standard scale: 1/16"