Seven sizes in one tool allow for easy, one-handed driving. Strong, rare earth magnets (1/4 In., 5/16 In., 11/32 In., 3/8 In., 1/2 In.) securely hold nuts and bolts. Spring coil (7/16 In., 9/16 In.) holds nuts and bolts in place without the use of magnets. Hollow shafts (1/4 In., 5/16 In., 3/8 In., 7/16 In., 9/16 In.) for driving nuts deep onto bolts or threaded rod. Heavy-duty handle and shaft exceed the torque performance of regular nut drivers. Wrench-assist on the handle for added torque on tough jobs. Cushion grip handle. Color-coded bands for easy identification. Color-coded bands for easy identification Strong rare earch magnets securely hold nuts and bolts Seven sizes in one tool allow for easy, one-handed driving Spring coil (7/16th-Inch, 9/16-Inch holds nuts and bolts in place without magnets Heavy-duty handle and shaft exceed the torque performance of regular nut drivers
