... pcs bit set with color ring screwdriver bit1)material: S2 bits set extension magnetic bar 32pcs bit set with color ... Net weight for the set:0.302 kg4. Material: S2 or CrV5.surface treatment:eclectrochromism and color riingProduct list: ... 30pcs S2 bits:PH: 1,2,2,3; PZ: 1 ... ,4,5,6mm Hex key: 3,4,5,6 T: T10,T15,T20,T25,T27,T30,T40 hollow:T10 ...