A screwdriver is a hand tool for turning screws. It has a handle and a shaft with a tip that fits the screw head. The tip can be flat, Phillips, hex, Torx, or square. The handle provides grip and torque. The screwdriver is one of the most common tools in the world. It is found in every toolbox, every kitchen drawer, and every office. It is simple. It is essential. It is often misused.

Screwdrivers come in many sizes and types. A flathead screwdriver fits a slotted screw. A Phillips screwdriver fits a cross-shaped screw. A hex driver fits a hexagonal socket. A Torx driver fits a star-shaped screw. A precision screwdriver is small, used for electronics. A stubby screwdriver is short, used in tight spaces. A ratcheting screwdriver has a mechanism that allows the user to turn without repositioning the hand. An electric screwdriver has a motor, used for repetitive work. Each has its own purpose. The right screwdriver fits the screw. The wrong one strips the head.

Screwdriver safety is simple. The tip must match the screw. The user must not use the screwdriver as a chisel, a pry bar, or a punch. The handle must be insulated for electrical work. The tip must be in good condition. A worn tip slips and damages the screw. The screwdriver must be stored properly. It should not be left on a ladder or a scaffold. It is a small tool. It can cause a big fall. The screwdriver is a basic tool. It is also a precise one. Use it for its purpose. Not for anything else.