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Safety RazorAtra (current razor)Straight Razor and Strop

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Days per blade77-

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Price per blade$0.08$0.48-

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New Razor$35.00-$150

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Blade price per day$0.01$0.07-

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$ Saved per day$0.06-$0.06$0.07

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Days to make back price619-2,193

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Years to make back price1.70-6.01

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$ Saved per year$20.64-$20.64$24.97

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Blades per year52.1452.140

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Cost per year$4.32$24.970