100 pieceSet includes: 1 wing nut driver; 1 magnetic bit holder; 1 socket bit holder; 1 one inch hex extension; 1 two inch hex extension; 3 clutch bits; 3 torx set screw bits; 3 spline bits; 4 tri wing screw bits; 4 square recess bits; 4 spanner bits; 9 slotted bits; 8 Phillips bits; 8 prozi drive screw bits; 9 metric hex bits; 10 fractional hex bits; 6 metric hex tamper bits; 6 fractional hex bits; 9 torx screw bits; and 9 tamper proof torx bits.Case included