Incra RULE18 18" Rules Marking Rule
Micro-fine marking holes and slots at every 1/16, 1/32 and 1/64 instantly locate a sharp pencil point or scribe EXACTLY where you want it.;Instantly mark your position with zero uncertainty, zero parallax and zero eye strain;Flexible structure for working on curved surfaces;Ultra thin for ultra precision;Common ruler?...NO. Common sense?... Yes!
