PCD Insert, 1/2" Round, 1/8" Thick, Single Sided, Edge Honed

PCD Insert, 1/2" Round,1/8" Thick, Single Sided, Edge Honed (PCD - Polycrystalline Diamond -Super-abrasive for Aluminum). For engine block and head surfacing, Vertical Milling and Boring. Needs a 1/16" Shim to Fit 1/2" Insert Tool Holder.