Spring-hinged glassless 6x7cm (2¼"x 2¾") format 120 roll film negative carrier for use in all models of Beseler 67-series enlargers, including the Printmaker 67, 67CP, 67C, 67XL, 67CS, 67SC, and 67SD.
These carriers were produced in different finishes. Later units were painted black (as shown) earliest ones were unpainted aluminum and sometime in the middle they had a black painted bottom and unpainted top. The used product may be any of the finishes and may show cosmetic signs of previous use but have not been modified or filed out and are in perfect working order.