To provide an insert for a pin mirror cutter and the pin mirror cutter with the insert, capable of improving cutting performance by performing honing to an optimum shape on a cutting blade depending on cutting portions and extending the service life of the cutting blade, and capable of reducing running cost.

A pair of long side surfaces 22 of the insert body 20 having a square flat plate is used as a cutting face, and a hone 30 is formed at the cutting blade formed at a ridge portion of the cutting face. The hone 30 is formed so that a hone angle may become gradually and continuously larger toward one edge side of the long side surfaces 22 while keeping a width W of the hone 30 constant.