Covers exposed chain assist roller sprockets P/N 7110-00098 2in, 24-3/8in, w/Clipper Pin, 4-Roller CA P/N 7110-00100 Belt, 2in, 36-3/8in, w/Clipper Pin, 6-Roller CA P/N 7110-00799 Belt, 2in, 48-3/8in, w/Clipper Pin, 8-Roller CA