Ontario Antique Tools » The Tool Shoppe » Marking / Measuring » J RABONE #2384 12" THREE FOLD IRONMONGERS RULE J RABONE #2384 12″ THREE FOLD IRONMONGERS RULE Rabone ironmongers rule #2384. Three fold with tables for round and square iron. Extendable caliper. Shows wear and a few old worm holes c.1900. Unusual Updating...