7-in-1 Nut Driver, Steel, BlackFeaturesStrong, rare earth magnets securely hold 1/4 in, 5/16 in, 11/32 in, 3/8 in, 1/2 in nuts and bolts in placeSpring coil holds nuts and bolts in place without the use of 7/16 in, 9/16 in magnetsHollow shaft for driving...