IP02 1/4″ NPT Industrial GoldPlug Magnetic Drain Plug Internal Head IP-02

1/4″ NPT (National Pipe Thread) Magnetic Drain Plug. Pulls metal particles from your oil system.

1/4″ NPT actually measures 0.53″ in diameter.

1/4″ Internal Hex

1/4-18 NPT Threads,  0.25″ Internal Hex, 0.41″ OAL