(8) TORX BIT: T10, T15, T20, T25, T27, T30, T40; T40 TAMPER PROOF. Craftsman 50 piece Nut Driver Bit set with Magnetic Handle. (1) PREMIUM MAGNETIC BIT SCREWDRIVER HANDLE. Great for working on small electronic devices having different small Torx/Star fasteners A solid security bit set with bonus nut drivers sockets, built to give you more access to tight areas for Security fasteners and bolts.