Schaefer Drum Bearing for 2100 series furlers.   Will fit Schaefer 2100 series jib furlers from 1997 - Present.   Drum is completely assembled and includes two flushing holes for easy maintenance.   Drum diameter is 3-11/16" (94mm).   This drum will not fit the earlier 2000 series furlers.   If you have any questions please reach out to us at 508/995-9511 or Sales@SchaeferMarine.com