This convenient 12 Charles Leonard Economical Beveled Wood Ruler is an essential classroom and office tool for taking quick measurements. Its measurements are scaled in 1/16 on one edge and millimeters on the other making it a versatile tool for many different uses where precision is needed. This beveled ruler s pencil groove extends its entire length so your pencil won t roll off your desk. Its design also features double beveled edges a single metal edge for making clean lines and a multiple-coat lacquered finish. This Charles Leonard Economical Beveled Wood Ruler is 1-1/8 wide and 5/32 thick. It s made of wood for a look that s both natural and professional at the same time. This ruler is ideal for use by contractors carpenters amateur projects at home home improvement tasks and much more. Each box includes 36 of these rulers.