This documents has been declared "CANCELLED" as of February 2009 and has been superseded by SAE AS 4984. By this action this document will remain listed in the Numercial Section of the Aerospace Standards Index noting that is superseded by SAE AS 4984.This SAE Aerospace Recommended Practice (ARP) covers the requirements for alternative coatings used in lieu of nickel-chromium plating and the surface finish requirements for aerospace hand tools. It is intended as a guide toward standard practice and is subject to change to keep pace with experience and technical advances.