Item for sale is (1) Ammco 5844 20" Boring Bar. This is the correct drum cutting bar for Ammco 7700 and 4100 brake lathes.
Ammco Brake Lathe Upper Boring Bar Clamp 3000, 4000, 4100, 7100 3017
Boring Bar w/ Screw Assembly For Ammco Brake Lathe 5843
Ammco 5843 Boring Bar, 3107 Upper & 20666 Lower Clamp for 4000 Brake Lathe
Ammco Brake Lathe Lower Boring Bar Clamp 3000, 4000, 4100, 7100 20666
Ammco 15-1/2" 5843 Boring Bar w/ Screws for 4000 Brake Lathe Drum Cutter Tool
Ammco Brake Lathe Standard Boring Bar