1.High-teeth ratchet rotation makes it more smooth and 

guarantees torque: 30N.

2.Free-pulling cap made by zinc alloy provides 

more space for bits storage and convenience 

for carrying.

Including

sl4,sl5,sl6      

PH1 PH2 PH3 

PZ1 PZ2 PZ3  

T10 T15 T20  

1pc ratchet screwdriver