Schaefer's CF-500 and CF-700 Snapfurl systems offer a superior Jib furling/reefing system for boats from 16' - 28' (5m - 8m). Featuring Torlon(tm) Ball Bearings in both the lower drum and upper swivels as well as an easy to install two-piece geon PVC foil that "snaps" directly over an existing headstay without any modifications to the wire.