Product description
Please note:The hand drill pump does not need a power supply, as long as there is a hand drill, it can be used. The product is different according to the power and speed of the hand drill, and the pumping flow is also different. If the power is too small, the pumping flow is small. The greater the power, the greater the pumping flow!!!
Size:Inlet/outlet inner diameter: 1.6cm Inlet/outlet outer diameter: 1.9cm
1. Conversion: 1 inch= 2.54cm
Size Approximately : These size is about Asian Size,general get one size smaller than US/EU size,Please reference to the size chart in the picture. Item Measure by hand, it could be 1-3cm different. hope you can understanding, will be sincerely appreciated.
2 .Please be reminded that due lighting effects, monitor's brightness/ contrast settings etc, there could be some slight differences in the color tone of the photo and the actual item.