L-com DGB Series Slimline Socket Saver DB37 Male/Female This bulkhead D-Sub adapter is wired straight through to pass signals through a panel or enclosure and protect the socket of a D-Sub connector The metal body is fully shielded to protect against EMI/RFI (electromagnetic interference); The gold plated contacts provide reliable connections with repeated mating cycles Factory manufactured to the highest quality standards, this adapter is "slimline" style for tight fits Provides years of repeated use with minimal signal loss This adapter uses 37 pin "low density" D-Sub connectors (DB37 or DC-37) female/female, and comes with mating hardware; Search L-com DGB Series for more D-Sub adapter options