High quality drill pump - Fine workmanship, made of durable plastic with a long service life. Features include large flow, stable performance, high efficiency, and easy installation. Pumping speed is fast, capable of pumping 20-30 liters of water per minute depending on the drill's RPM. Designed for convenience, it fits standard drill chucks and works with electric drills for easy operation. Compact and lightweight design makes it portable and simple to store. Recommended operating speed is 1500-3500 RPM. Pump head and flow rate increase with higher RPM: at 1500 RPM, the pump head is approximately 1.5 meters with a flow rate of about 15 liters per minute; at 3000 RPM, the pump head reaches about 3 meters with a flow rate of around 30 liters per minute. Note: Due to variations in monitor displays, the image may not reflect the actual product color. A 1-3mm measurement deviation may occur due to manual measurement. Thank you for your understanding. Specifications: Color: Black. Size: Approx. 106x37x64mm. Material: Plastic. Net weight: Approx. 218g. Inner tube diameter: Approx. 15mm. Transmission shaft diameter: 8mm round shank. Working temperature: Approx. 5-49°C (41-120°F). Direction of rotation: Clockwise. Package included: 1 x Drill Pump, 2 x Hose Clamp, 2 x Connector.