1.Widely used in various modes, length, head types, tooth types of screw. 2 Power consumption is 60% of SAS series. 1 ... drill tip into the guide, then slide along, the screw will be pulled out.2,Energy saving, power consumption is ... :100V-240V .5, Widely used in various modes, length, head types, tooth types of screw. ModelsFk-514Fk-517Fk-520Fk-523Fk-526Fk ... 2.0 Φ2.3 Φ2.6 Φ3.0Φ4.0 Automatic screw Feeder