For over fifty years, Keystone Electronics has been manufacturing precision electronic interconnect components and hardware, supplying quality products at competitive prices to the industry, worldwide. Keystone Electronics´ Quality System is ISO 9001 certified by DNV Certification, Inc. under the RAB and RvA accreditations. Their quality assurance program is in accordance with these requirements and applies to all standard and custom interconnect components and hardware.

Keystone is now offering a wide variety of battery holders and clips for a variety of uses. Keystone's battery holder and clip offerings include surface mount battery clips/contacts, surface mount leaf-spring contacts, low profile surface mount coin cell holders, positive and negative surface mount compact contacts, THM low profile lithium & alkaline cell holders, SMT low profile lithium & alkaline cell holders, THM "Auto" blade fuse holders, standard "Auto" blade fuse holders, mini "Auto" blade fuse holders, SMT "Auto" blade fuse holders, SMT "Auto" blade fuse clips, and more.