featuring both trochoid and triangle pump mechanisms for efficient fluid transfer. This manual drill-style pump serves multiple purposes - from extracting engine oil to filling gear oil and changing hydraulic fluids. The robust design allows for smooth operation when paired with an electric wrench and electric drill ，making oil changes and transfers more convenient than traditional methods. Perfect for automotive maintenance, machinery upkeep, and various industrial applications, this pump offers reliable performance for both professional mechanics and DIY enthusiasts. The ergonomic handle provides comfortable operation, while the durable construction ensures consistent performance across different viscosity levels. Its compact size makes it easy to store and transport, ready whenever you need to tackle fluid maintenance tasks.