Four-bevel, white scales made of high-impact plastic. Printed graduations.
Architect Scales
260P - 12" divided: 1/8", 1/4", 1/2", 1", 3/8", 3/4", 1 1/2", and 3" to the foot
266P - 6" divided: 1/8", 1/4", 1/2", 1", 1 3/8", 1 1/2", and 3" to the foot.
Engineer Scales
261P - 12" divided, not double-numbered: 10, 30, 40, and 50 parts to the inch
261PC - 6" divided, not double-numbered: 10, 20, 40, and 50 parts to the inch
267P - 6" divided, double numbered: 10, 30, 40, and 50 parts to the inch
269P - 6" divided, double numbered: 10, 20, 30, 40, 50, and 60 parts to the inch