Clamp HL1510 (Pack of 10pcs)

SHIM MV1603. Place insert seat shim under the turning tool so they fit snugly. For: VNMG160404/08/12/16 Inserts. 

It can effectively protect the turning tool, avoid collision of the tool body, and improve the service life of the lathe turning tool holder.

A carbide shim is a spacer made of carbide that supports a cutting insert in a tool holder. It's used in a variety of industrial applications, including machining, tooling, and cutting.