41pcs power bit set:
7pcs-hex*30mm bits: T20, T25, T30, T40, T45, T50, T55
7pcs-hex*75mm bits: T20, T25, T30, T40, T45, T50, T55 
7pcs-hex*30mm bits: H4, H5, H6, H7, H8, H10, H12
7pcs-hex*75mm bits: H4, H5, H6, H7, H8, H10, H12
5pcs-hex*30mm bits: M5, M6, M8, M10, M12
5pcs-hex*75mm bits: M5, M6, M8, M10, M12

1pc-3/8" DR. bit holder(3/8" hex)
1pc-1/2" DR. bit holder(3/8" hex)
1pc-metal case
10sets/ctn 33*33*16.5cm 16/17kgs