The Stubby quick-change magnetic nut driver from hilmor is two tools in one, allowing the end user to switch from 1/4” to 5/16” with ease. On-the-job advantages include a magnetic tip for a secure hold and a deep shaft for long bolts. It also offers a color-coded insert for quick identification, a slip-resistant grip for more torque and a chrome-vanadium steel construction for extra durability.