55 Pcs screwdriver set Include： 21Pcs 6.35X25mm screwdriver bits：SL4 SL5 SL6 PH1 PH2 PH2 PH2 PH3 PZ1 PZ2 PZ3 T10 T15 T20 T25 T30 T40 H3 H4 H5 H6 20Pcs 4X28mm precision screwdriver bits： SL1.5 SL2 SL2.5 SL3 PH000 PH00 PH0 PH1 T6 T7 T8 T9 T10 T15 T20 H1.5 H2.0 H2.5 H3.0 H4.0 1Pcs 4-6mm(25mm)bits adaptor 9Pcs 1/4"X20.5mm socket:4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 1Pcs 4X60mm bits holder 1Pcs 6.35X50mm bits holder 1Pcs Unique design ratchet handle 1Pcs unique design handle Packed by plastic box