... set material:CR-V, CS, S2 100 pcs screwdriver bits1. COde: HY-P325B2. Material : S2,Crv ,carbon steel3. Length : ... , 2 x 4pc, 3 x 2pc,•PZ0, 1, 2 x 5pc,•3 Hex (metric) 1.5, 2, 2.5, 3, 4 ... bit set HY-P064 64 pcs bit set 100 pcs screwdriver bit set with blow case HY-P315B