Color Blue Plastic material Durable style Item Dimensions L x W x H 12.5 x 8 x 10.8 cm Power adapter type Weight 0.39 kg About this item Design: This design can also be used as an accessory for a household electric hand drill, which has the advantages of flexible use, low processing cost and no damage. Design: This design can also be used as an accessory for a household electric hand drill, which has the advantages of flexible use, low processing cost and no damage. Construction materials: This drilling pump hand drill is made of high quality plastic for durability. Scope of application: This product is a micro pump for hand drills.< /p> Method: The motor is separated from the traditional water pump, and the mechanical kinetic energy of the electric household drill is fully used as a drive device without power supply.