A square screwdriver is designed with a tip that fits square-shaped screw heads, which are commonly used in woodworking and construction. Unlike Phillips or flat head drivers, the square tip provides a snug fit, reducing the risk of slipping or stripping the screw. This makes it easier to apply torque and helps with tasks like assembling furniture or working on home repairs. If you're tackling projects with square screws, having the right driver can make the job smoother and safer.

Square screwdrivers are specifically made for square-shaped screws, so they won't fit properly in Phillips, flat head, or Torx screws.

• Using the wrong driver can damage both the tool and the screw.
• For multi-purpose tasks, consider a set with interchangeable bits, so you have the right tool for each screw type.

Choosing the right size is important for a secure fit and easy turning.

1. Check the screw head for a size marking, often labeled as #1, #2, or #3.
2. Match your screwdriver tip to the screw size—too small and it may slip, too large and it won't fit.
3. If you're unsure, a multi-bit set can cover several sizes and help you find the best match for your project.

Yes, square screwdrivers are often used in furniture assembly because many furniture screws have square heads.

• The square tip offers a strong grip, making it easier to drive screws without slipping.
• They're especially handy for tasks like building cabinets or shelving.

Proper care keeps your square screwdriver working well for years.

1. Wipe the tip clean after each use to remove debris.
2. Store it in a dry place to prevent rust.
3. If your screwdriver has interchangeable bits, keep them organized in a case.