Tinner's Steel Circumference Rules, 1 1/4 in x 4 ft, Steel

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

Quantity 1EA

Specifications

Finish=Tempered
Graduation(s)=1/16 in; 1/8 in
Increment @ Scale=1/16 in @ 1 in; 1/8 Dia. in @ 1 Circumf. in
Length [Nom]=4 ft
Material=Steel
Measuring System=Inch
No. of Scales=2
Thickness [Nom]=1/16 in
Type=Measurement Rule
Width [Nom]=1 1/4 in
Wt.=1.04 lb