This cnc milling bit is unlike any on the market!
   Perfect for jointing edges on slabs up to 3.5" thick!
   On this bit, you will never need to get your cutting edges professionally sharpened, thanks to the 4 sided replaceable inserts. Simply loosen the screw, rotate 1/4 turn, & retighten screw for a brand new, razor sharp cutting edge.
  The bits come with 1 set of inserts already installed.