Opti-Scale Transparent Ruler 18"

Opti-Scales are precision transparent measuring rulers made of clear, flexible .007 polyester. These Opti-Scales are suitable for measuring and checking critical tolerance. Overall accuracy is +/- .005” at 70 degree F and 50 degree relative humidity. Regular line is .001” (0,225mm) and all accent lines .002 (0,051 mm) thick, Increments are every .005”with accent every .025”, .050”, .100” and 1.000”. Scales are numbered every .100” Available in 18" Opti-18, 24” Opti-24, 30” Opti-30 and Opti-36