<B>120 Degree Double-edged 6mmx32mm 3D V Shape Groove Router Bit CNC Engraving Review</b><P>http://tinyurl.com/lrt76so <P><P> 120 Degree Double-edged 6mmx32mm 3D V Shape Groove Router Bit CNC Engraving <P>the bottom has no crumbs residual<P>Concentricity is very good, double-edged cutting design<P>With good milling, cutting performance<P>
