More & more manufacturers use tamper-proof fasteners on their products. Phillips & slotted screwdrivers won't fit these new fasteners. This security set contains: 1 each #6, #8, #10 Tee-Cross, #4, #6, #8, #10 spanners (two-pronged head), 5/64", 3/32", 7/64", 1/8", 9/64", 5/32" security hex keys (Allen bits with a hole in the center), 1, 2, 3, 4 Tripley (appliances & bathroom fix-tures), #T8, #T10, #T20, #T27, #T30, #T35, #T40 security Tee-Star (torx with a hole in the center), 1/4" socket adaptor & bit holder.

Comes with a solid-handled, steel shaft screwdriver with a magnetic tip for holding the hex shank bits, all in a plastic storage case.