A perforated instrument holder for medical instruments, in particular surgical instruments and/or implants for use in supplying sterile goods in the medical field, in particular operating theaters, comprising a perforated holder support structure having a plurality of perforated holder openings, comprising a top side, which faces the instruments, and a bottom side, which faces away from the instruments, of the perforated holder support structure, comprising at least one device which can be positioned, starting from the top side of the perforated holder support structure, at various selectable locations on the top side for storing and preferably for holding one or more instruments in an intended arrangement on the perforated instrument holder, the device comprising a base part and an instrument bearing part which can be releasably fastened thereto, the base part being releasably securable to the perforated holder support structure, the base part being a bent sheet metal part and having a main limb that can be placed against the top side of the perforated holder support structure characterized in that the base part has two opposite side limbs (22, 24) laterally adjoining the main limb, in that proceeding from each of the side limbs (22, 24) of the base part at least one flexible tongue (32, 34) and preferably at least two flexible tongues (32, 34) are formed on one or both sides, the flexible tongues (32, 34) being notched out of the bent sheet metal part and extending from the side limbs (22, 24) of the base part in the direction of the perforated holder support structure, in that the flexible tongues (32, 34) are resiliently deflectable relative to the side limbs (22, 24) such that the base part can be positioned with its main limb on the top side of the perforated holder support structure such that the at least one flexible tongue engages behind a perforated holder opening, and in that only by exerting a compressive force on the base part in the direction of the top side of the perforated holder support structure is the opposite flexible tongue then deflected and automatically penetrates into a further perforated holder opening where it latches with an edge region delimiting the perforated holder opening such that the base part can be fastened to the perforated holder support structure without the use of tools and in a captive manner for the intended use. comprising a perforated holder support structure having a plurality of perforated holder openings, comprising a top side, which faces the instruments, and a bottom side, which faces away from the instruments, of the perforated holder support structure, comprising at least one device which can be positioned, starting from the top side of the perforated holder support structure, at various selectable locations on the top side for storing and preferably for holding one or more instruments in an intended arrangement on the perforated instrument holder, the device comprising a base part and an instrument bearing part which can be releasably fastened thereto, the base part being releasably securable to the perforated holder support structure, the base part being a bent sheet metal part and having a main limb that can be placed against the top side of the perforated holder support structure characterized in that the base part has two opposite side limbs (22, 24) laterally adjoining the main limb, in that proceeding from each of the side limbs (22, 24) of the base part at least one flexible tongue (32, 34) and preferably at least two flexible tongues (32, 34) are formed on one or both sides, the flexible tongues (32, 34) being notched out of the bent sheet metal part and extending from the side limbs (22, 24) of the base part in the direction of the perforated holder support structure, in that the flexible tongues (32, 34) are resiliently deflectable relative to the side limbs (22, 24) such that the base part can be positioned with its main limb on the top side of the perforated holder support structure such that the at least one flexible tongue engages behind a perforated holder opening, and in that only by exerting a compressive force on the base part in the direction of the top side of the perforated holder support structure is the opposite flexible tongue then deflected and automatically penetrates into a further perforated holder opening where it latches with an edge region delimiting the perforated holder opening such that the base part can be fastened to the perforated holder support structure without the use of tools and in a captive manner for the intended use.