18 PCS DRILL & DRIVER SYSTEMS 6 PCS 50 mm BIT : PH : 1 - 2 PZ : 1 - 2 SL : 5 - 7 mm 4 PCS Hex Drill BIT : 1.5 - 3 - 4 - 5 mm 6 PCS Nut driver : 5 - 6 - 7 - 8 - 9 - 10 mm 1 PCS Counter Sink 1 PCS 5 / 16” sink Quick-Chuck ( ONE HAND OPERATINK ) PACKING : 36 SET / CTN / 15 KG / 16 KG / 1.5'