This is the taper tap Winchester rifles. This tap fits the threads 1873 trigger spring screw, side plate screw 1st model, Loading gate (spring cover) screw all models, dust cover stop screw, dust cover spring screw, dust cover spring screw, forearm cap screw, both barrel band screws, magazine plug screw (short and long) 1894 Loading gate (spring cover) screw, sear/safety catch spring screw, forearm cap screws, mag plug screws, finger lever link screw. 1895 sear spring screw. 1892 cartridge guide screw, locking bolt pin stop screw, Loading gate (spring cover) screw, trigger spring screw, forearm cap screws, mag plug screws, front sight screw. 1886 cartridge guide screw, trigger/sear spring screw, forearm cap screws, mag plug screws,