IP01X 1/8″ NPT Industrial GoldPlug Magnetic Drain Plug External Head

1/8″ NPT National Pipe Thread Magnetic Drain Plug. Pulls metal particles from your engine.

1/8″ NPT actually measures 0.4″ in diameter.

10mm Hex Head

1/8-27 NPT Threads,  10mm External Hex, 0.64″ OAL