Black-Zinc Nickel-Finish Backshell Clamps Amphenol Pcd Black-Zinc Nickel-Finish Backshell Clamps are a RoHS compliant replacement for cadmium plating. The black-zinc, nickel-finish clamps are a cost-effective cable holding option over cadmium and offer environmental protection. The series is available in a variety of shell sizes (11 through 48), both military (MIL) specification and commercial types, and with EMI/RFI shielding. The clamps clean-up the cable after termination and provide good strain relief at the termination area. Amphenol Pcd Black Zinc Nickel Finish Backshell Clamps are can be used as a replacement for cadmium plating in aeronautical and military applications.