INCRA Rules are sold individually or in complete 6" 12" and 18" sets. Each
set includes the Precision Marking Rule Precision T-Rule and Precision Bend Rule along with a fine (0.5mm) marking pencil.
Micro-fine guide holes and slots at every 1/16" 1/32" and 1/64" scale position instantly locate your sharp pencil or scribe at the exact measurement with zero uncertainty and no eye strain! Our Professional T-Rules even offer marking holes every 1/100". This is unmatched in the industry.