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.