Model Compatibility: Fits development gap wheel applications for models 3030, 3035, 6204, 6604, 6055, 6035, 6279, 6030, and 6050 as specified in the title.
Part Number Match: Replacement part corresponds to part number 022K77640 as stated in the title.
Functional Purpose: Serves as a development gap wheel replacement to restore function without modification.
Quantity Included: Contains one (1) development gap wheel per package as indicated by “1PCS” in the title.
Design Intent: Matches the dimensional and functional specification of the development gap wheel used in the listed models.