This listing is for a Ammco Brake Lathe Shear Gear With C-Clip Part Number 907996 Shear Gear and C Clip Fits: Ammco : 3000, 4000, 4100, 7500,7700 Replaces: Ammco # 7996 Pack of 2 Brand New Condition Please refer to photos for more details as they are the best part of the description. .