Description
Reverse spiral flutes are designed to bite down to provide maximum gripping power.
Useful for trying to free rounded-off, rusted-tight or painted-over bolts.
Sizes: 1/4" (6.0mm), 5/16" (8.0mm), 3/8" (9.5mm), 7/16" (11.0mm), 1/2" (12.7mm)
Drive size: 3/8"
Includes 3/8" Dr to 1/4" Hex adapter
Made from CR-MO