Now Including T-45, T-50 & T-55 Sizes. Ten hex insert bits with two bit holders. Seven smallest bits are used with the 1/4" bit holder. Three largest bits are used the 3/8" bit holder. All twelve pieces come in a convenient vinyl holder. Includes Torx® sizes T-10 thru T-55. 26010 T-10 1/4" drive 26020 T-15 1/4" drive 26030 T-20 1/4" drive 26040 T-25 1/4" drive 26050 T-27 1/4" drive 26060 T-30 1/4" drive 26070 T-40 1/4" drive 27560 T-45 3/8" drive 27580 T-50 3/8" drive 27600 T-55 3/8" drive 26080 1/4" Holder 27630 3/8" Holder *The 27630 Bit Holder is for 3/8" hex bits and is 3/8" square drive