Jbee sheet metal 36" steel rule hvac tinners

Jbee sheet metal 36" steel rule hvac tinners

1/16" x 1 1/4" x 36" steel rule
Bold markings, deeply etched and permanent are black filled
Heavier than on machine-divided rules
Large graduations, marked both sides, both edges
Upper edge graduated in 1/8ths, lower edge in 1/16ths Opposite sides measure from opposite ends