PEC Tools 12" 300 mm English / Metric black chrome, "high contrast" machinist ruler with markings .5mm, mm 1/32" and 1/64" industrial Just pop in your 1/4

Just pop in your 1/4 Water tubing into each end

we enhance its output power and improve its functionality

For use library: TM1637

Ideal for use with USB cameras

PEC Tools 12" 300 mm English / Metric black chrome, "high contrast" machinist ruler with markings .5mm, mm 1/32" and 1/64" industrial Just pop in your 1/4PEC Tools 12" 300 mm English Metric black chrome, "high contrast" machinist ruler with markings . 5mm, mm 1 32" and 1 64" This precision 12" English Metric ruler is made in the USA by Products Engineering Corporation (PEC Tools), a premier measuring tool manufacturer. Rule is made from spring tempered and hardened steel and is 1. 00" wide by . 036" thick. It has a "high contrast" black chrome finish that provides better rust resistance than polished