Business Source Clipboard, Plastic, w/Spring Clip, Ruler, 12/BX, Smoke (BSN01861BX) Box of 12Clipboard provides a stylish, functional way to write when you're on the go and working without the convenience of a desk. Sturdy spring clip secures paper and is made of durable metal. Aligned eyelets on the clip make it easy to hang up and store. One long side is screen printed in Imperial ruler markings in 1 16" up to 11" for handy measurements. The other side has centimeter markings up to 27 cm. Clipboard is made of durable molded plastic for