These 2.25 hub spindle snouts are CNC machined in-house from aircraft quality 4130 chromoly. These are also what we use in our complete rear ends that utilize our 2.25 hubs. These are complete and include the locking nut and hardware. We have updated these to our new locking nut design that uses a ring that bolts to the face of the nut and registers into the snout. We offer these in both right hand and left hand thread versions so order one of each when needing a set. These are for housings that use 3.50″ OD x .250w tubing.