This is our pocket sized Tiny T-Rule. Measuring only 3" by 4.5". It offers Incra's patented marking holes at every 1/16th, 32nd, and 64th from 0 to 3 inches. It also has slotted height marking holes at every 32nd on the end. This size is so handy many of our customers keep it in their pocket anytime they are in the shop. These rules are also available in quantity for customization with your company logo.