This is Upper and down left side a Bosch door hinge (part number 00668905) suitable for refrigerators. It is the upper right or lower left hinge in silver finish, compatible with various Bosch brands like Bosch, Thermador, and Gaggenau. The set includes one hinge, which replaces multiple part numbers. The manufacturer is BSH Hausgeräte GmbH, and the hinge is an essential appliance part for refrigerator maintenance.