Quickly change between 1/4in. and 5/16in. hex sizes with Malco’s unique, exclusive, dual-sided magnetic hex drivers. The reversible hex socket fits over a 1/4-inch magnet-tipped, ball locking hex shaft, and can be quickly reversed to change sizes. Eliminate troublesome buildup of metal shavings in the hex tip with the Malco MSHXLC 6-inch Reversible and Cleanable 1/4-inch and 5/16-inch Magnetic Hex Driver (1-Pack)