IP06X 3/4″ NPT Industrial GoldPlug Magnetic Drain Plug External Head

3/4″ National Pipe Thread Magnetic Stainless Drain Plug. Pulls metal particles from your oil.

3/4″ NPT actually measures 1.04″ in diameter.

5/8″ Square Head

3/4″-14 NPT Threads, 0.625″ External Square, 0.93″ OAL