Screwdriver bit set,Welcome to contact us Ratchet Driver Set,Handle is PP+TPR,aluminium alloy bar with CRV bits,Specification:(+):PH000,PH00,PH0,PH1,(-):1.0,1.5,2.0,2.5,3.0,3.5,4,Hex:0.7,0.9,1.5,1.9,2.0,2.5,4.0,.5,4.0,Star:T4,T5,T6,T7,T8,T9,T10,T15,T20