Features: _x000D_ 1. 100% brand new and high quality _x000D_ 2. Made of high quality engineering plastics material, durable to use _x000D_ 3. By separating the motor of the conventional water pump and making full use of the mechanical kinetic energy of the household hand drill as a power unit, no power supply is required. _x000D_ 4. The design can also be used as an accessory for household hand drills, which has the advantages of flexible use, low transformation cost and no damage. _x000D_ 5. Micro pump for hand drill _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Model: J137 _x000D_ Material: Engineering Plastics _x000D_ Weight: Approx. 393g / 13.9oz _x000D_ Size: Approx. 125 * 107 * 78.6mm / 4.9 * 4.2 * 3.1in _x000D_ Internal Diameter: Approx. 15.8mm / 0.6in _x000D_ Outside Diameter: Approx. 21mm / 0.8in _x000D_ _x000D_ Package List: _x000D_ 1 * Hand Drill Pump _x000D_ _x000D_ Note: _x000D_ This pump must be used in conjunction with a hand drill to pump water 1100% brand new and high quality. 2Made of high quality engineering plastics material, durable to use 3By separating the motor of the conventional water pump and making full use of the mechanical kinetic energy of the household hand drill as a power unit, no power supply is required. 4The design can also be used as an accessory for household hand drills, which has the advantages of flexible use, low transformation cost and no damage. 5Micro pump for hand drill