These fit Ammco 6900 & 6950 twin cutters found on Ammco 3850, 4000, 4100 & 7000 brake lathes.
Ammco Slides & Negative Rake Carbide Bit Holder Right Side
Ammco 8899 Negative Rake Carbide Cutting Bit Holders and Slides for Brake Lathe
Ammco 9872 Negative Rake Carbide Insert Holder for Brake Lathe Drum Cutter
Ammco 7872 Negative Rake Carbide Insert Holder for Brake Lathe Drum Cutter
Ammco 9069146 Negative Rake Carbide Insert (6 Pack)
Brake Lathe Ammco 6914 Negative Rake Carbide Cutting Inserts New (10 Pack)