Well they'll certainly last longer than 3x pairs of cruds (which is what they cost), and they'll probably work a lot better too. At the rate you're going through them you will have paid off your investment in a month and a half.
@dan started
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Well they'll certainly last longer than 3x pairs of cruds (which is what they cost), and they'll probably work a lot better too. At the rate you're going through them you will have paid off your investment in a month and a half.