Lufkin Tinner's Steel Circumference Rules, 1 1/4 in x 4 ft, Steel #954FTN womensfr Rugged enough for the outside

Rugged enough for the outside of the hardhat

Form-fitting

Made of leather covers most standard foot sizes

Meets or exceeds the applicable requirements for a Type I helmet (top impact) as outlined in ANSI Z89

Lufkin Tinner's Steel Circumference Rules, 1 1/4 in x 4 ft, Steel #954FTN womensfr Rugged enough for the outsideCrescent Lufkin Tinner's Steel Circumference RulesProduct Details: Standard rule with tinners and other steel metalworkersTempered medium weight steelHole in one end for hangingMarkings are black for easy reading954 model, one side upper edge marked inches to 1 16thsLower edge marked up to 150 circumference inches to 1 8thsReverse side of model has formulas for calculating circumference, diameter, area, etc. and size table for laying out measures and