ACE BMX Alloy NOS Old School Shafted Stem.
Your fork would have threads on it to work with this stem. You would also have or need a 1" threaded heaset laike a Tioga Bear Trap II.
Upgrade your old school 1" BMX Bike with a nice quality affordable 1" Shafted Stem. These things are rare, but this deal is sexy so hop on it! Ya Heard?! What!