Our 13-in-1 magnetic multi-bit screwdriver with ECX™ bits includes eight bits, four nut drivers and a loop maker. This multi-bit screwdriver features strong rare earth magnets for fastener retention and cushion grip handle for increased durability. The bits prevent wear from hardened screws and extend bit life when fastening specialty screws found in electrical boxes, conduit couplers, outlets and other electrical applications. The bits and nut drivers can be conveniently stored in the handle for increased access. 13-in-1 magnetic multi-bit screwdriver with ECX™ bits is backed by a limited lifetime warranty.