Oriental Manual Rotary Hand Drum Pump, also known as a hand rotary barrel pump.
This type of pump is designed for efficiently transferring fuels, lubricants, and other light oils from barrels or drums.
It operates manually via a hand crank, using a rotary action to draw and dispense liquids.
Common applications include use in garages, workshops, and for various industrial and fluid transfer needs.
The pump typically includes a discharge hose for convenient liquid transfer.