Milwaukee 48-22-2521 1/4" Nut Driver - Magnetic

48-22-2521 1/4" nut driver - magnetic hollowcore; magnetic nut drivers feature a thread-thru design for unlimited depth in threaded rod and long bolt applications. the magnetic universal driver heads fit 4x more fasteners including: square, hex, 12 point & spline. designed for maximum durability the wrench ready hex steel shanks are forged and chrome plated. milwaukee nut drivers are designed for the jobsite and include milwaukee's limited lifetime warranty.