GF&D Systems, founded in 1989 and headquartered in Muskego, WI (a suburb of Milwaukee), is a Master Distributor/Importer of grease fittings, tools, and accessories. All GF&D Systems fittings are heat treated and compliant to SAE, DIN, or JIS standards. GF&D Systems also stocks a full line of accessories, including Grease Fitting Thread Identifiers, Couplers, Hose Whips, Caps, Grease Guns, Easy-Out and Drive Fitting Tools, Assortment Kits, and Adapters.