Product Overview
Standard rule with tinners and other steel metalworkers
Tempered medium-weight steel
Hole in one end for hanging
Markings are black for easy reading
954 model, one side upper edge marked inches to 1/16ths
Lower edge marked up to 150 circumference inches to 1/8ths
Reverse side of model has formulas for calculating circumference, diameter, area, etc
and size table for laying out measures and cans.
