... : S2 bits set extension magnetic bar 32pcs bit set with color ring screwdriver bit1.Code:HY-Q0322.Plastic case size:10 ... .302 kg4. Material: S2 or CrV5.surface treatment:eclectrochromism and color riingProduct list:30pcs S2 bits:PH: 1,2,2,3 ... : 1,2,2,3 SL:3,4,5,6mm Hex key: 3,4,5,6 T: T10,T15,T20,T25,T27 ... -Q015 HY-Q031B 32 pcs S2 colour ring bit set high quality bits HY-Q032