HF: take KongZheng Angle blade, recommend cutting dosage ap = 0.1 ~ 2 fn (mm) = 0.05 ~ 0.3 (mm/r), general strong finishing trough type: M level accuracy, suitable for steel, cast iron, and other material hole and side-polished - suitable for finishing.

We mark is the price of each piece and The price is not include the freight.