PG16MSS5 is a part of Conta-Clip Verbindungstechnik, a German developer of fastening technology and cable assembly solutions. The product is a stainless steel locking element designed to mount through holes in enclosures or other components. It utilizes a zinc plated spring steel clip that clamps into a stainless steel ball catch. This provides a more secure locking than a regular screw. This locking element can be used for a wide range of applications, from medical to electrical devices.