Genius Tools' 24-Piece Star Wrench Set, No. TX-2234, comes in a plastic case and carries a lifetime warranty. The set includes the following items and sizes:
4 star wrenches: 6 x 8-10 x 12-14 x 18-20 x 24.
7 x 3/8" e-star sockets: E10, E11, E12, E14, E16, E18 and E20.
10 star bits: T8, T10, T15, T20, T25, T27, T30, T40, T45 and T50 (all in 30mm length).
3 Bit Holders: 1/4" x 1/4"; 3/8" x 1/4" and 3/8" x 5/16".