Quickly change between 5/16 and 3/8 hex sizes with Malcos
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 Easy Clean Magnet. Just swipe with a glove or shop towel
to clear any metal shavings. Tested torque of the reversible hex chuck driver
design is equal to one-piece drivers.