Which tool is best for loosening a stubborn nut when space is limited?

• A. Crescent wrench
• B. Screwdriver
• C. Pliers
• D. Hammer

Answer: (A)

Limited space demands a tool that can grip the nut securely and let you apply turning force without crowding nearby parts. An adjustable wrench fits this need because you can snug the jaws tightly to the flat sides of the nut and still maneuver the handle to gain leverage even when there isn’t much room. The crescent wrench’s thin, adjustable head lets you reach into tight spots and apply steady torque without needing to reposition the tool as you turn.

Screwdrivers are designed for screws, not nuts, so they don’t grip the nut firmly and can slip or strip the edges. Pliers may grab the nut but tend to slip or crush corners, offering inconsistent leverage and increasing the risk of damaging the fastener. A hammer isn’t used to loosen a nut; it’s for delivering blows, which can damage threads and surrounding components.

So, the crescent wrench is the best fit for loosening a stubborn nut when space is limited.