Our 11-IN-1 Magnetic Multi-Bit Screwdriver With Square Bits includes 8 bits and 3 nut drivers. This Multi-Bit screwdriver features strong rare earth magnets for fastener retention and a comfortable tri-lobed handle for increased durability. The bits prevent wear from hardened screws and extend bit life on various fastening applications. The bits and nut drivers can be conveniently stored in the handle for increased access. The 11-IN-1 Magnetic Multi-Bit Screwdriver With Square Bits is backed by a limited lifetime warranty.