Description Material: Steel + plastic box Color: As shown Size：5cm Package included: 1 set X Screw Extractor Drill Bits SetFeaturesFast， convenient， disassemble screws， tacks.And speed can be changed in the opposite direction of rotation of the drill in conjunction.Notice:1.Please allow 1-3mm error due to manual measurement.pls make sure you do not mind before you bid.2.The colors may have different as the difference display，pls understand.