Amazon has the 12-Piece Amartisan Magnetic Torx Screwdrivers Set (T5-T40) for $15 with free shipping on $35+ or with Prime. Includes T5 x2-1/2", T6 x2-1/2", T7 x 2-1/2", T8 x 2-1/2", T9 x 2-1/2", T10 x 2-1/2", T15 x 4", T20 x 4", T25 x 4", T27 x 4", T30 x 4", T40 x 5".