Cheap high speed 10000rpm air impact screwdriver 195007

air impact screwdriver descriptions:
DRIVE CAPACITY:4-5mm
FREE SPEED: 10,000RPM
WEIGHT: 0.7KGS
AIR PRESSURE:90PSI
AIR INLET:1/4

air impact screwdriver features:
1.Side exhaust
2.Black powder coated head.
3.Aluminum metal body.
4.Suitable for used in narrow surface.