741-04 Scale Rule 4mm = 1 foot (OO Gauge). Manufactured in hard chrome finish stainless steel. Rule is approxiamately 12 inches long and has both Metric & Imperial Scales.
Modellers Scale Rule OO Gauge 4mm Metric Imperial Stainless Steel Expo 74104
Expo 74104 OO Gauge Modelmakers Scale Rule
Expo scale rule 4mm OO gauge
MODELMAKERS SCALE RULE 1/35th SCALE STAINLESS STEEL EXPO 74135
Modellers Scale Rule 1/72 12" Metric & Imperial Stainless Steel Expo Tools 74172
Modellers Scale Rule N Gauge 2mm Metric Imperial Stainless Steel Expo 74102