... semi-automatic electric screwdriver 2)3C.UL,ISO9001, 3)One year warranty 4)Cheap and fine 5)Swiss-Japanese motor AS semi ... and More DurableThe full constituent part of one set AS screwdriver.Feature:The motor is designed without carbon powder spilling and ... and operability and is more flexible and convenient. Detail of screwdriver:Scope of application:Auto parts,lamps,office equipments,air condition ...