6" (15cm) ruler _ 45 degree edge with built in protractor in 5 degree increments Dowel / Tubing Identification Gauge from 1/16" to 3/4" (2mm to 10mm) Strip identification guage from 1/64" to 1/2" (. 5mm to 10mm) Built in stop rail for quick alignment to the work surface 90 degree square for perpendicular assemblies.
