A screw eye is a type of hardware, specifically a small metal piece that has a screw on one end and a loop (or eye) on the other end. It is used to attach or secure things together, often in woodworking or construction. The screw part goes into the material (like wood), while the loop is used to hold a rope, wire, or other object.
A screw eye is a useful tool in woodworking and crafting for securing items together.