Cheap price high quality 10000rpm pneumatic impact screwdriver 195010

pneumatic impact screwdriver descriptions:
DRIVE CAPACITY:4-6mm
FREE SPEED: 10,000RPM
WEIGHT: 0.7KGS
AIR PRESSURE:90PSI
AIR INLET:1/4

pneumatic impact screwdriver features:
1.New design cylinder with higher output power.
2.Adopt industrial bearing with high precision and long life span.
3.Steady and smooth output power rate.
4.Easy structure to maintenance.