Black Pearl wedges feature a proprietary micro-coating that's formed using an advanced, multi-stage process. It starts with a hand-ground and polished CMM CG10 clubhead. Next, using a precise electroplating process, two layers of soft nickel (Ni) are deposited onto the surface. The clubhead is then inspected and polished to a glare-reducing satin finish. The second primary layer is electrically deposited as a thin, yet durable layer of chromium (Cr).