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Kennametal 1/2\" Ø 5-5/8\" OAL A08-NER1 Grooving Threading Bar NT1L Caroffere Insert #1
Takes any Nx1L style inserts, as far as I know, such as NT1L
Yes, the bar is all sorts of chewed, but it works just fine. Gripped portion of bar is smooth, coolant flow works, and insert pocket is good.