If you require the specified 1/2 inch cutting length/depth, this can be any. I received at least 1/2" bits, but both bits on my last order were 0.050" shorter. BTW the same thing happened with the Freud equivalent so now I'm not sure who to trust. It's hard to imagine their spec having a tolerance of Β±0.050" but who knows these days. I'll try to find something that's made in the USA. These Amana are Hecho en Taiwan. I'm not on Freud's sure.Anyway they come back for a refund.
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