DIY Frequently Asked Questions / Hex (Hexagonal) Tip Screwdriver
- DIY Frequently Asked Questions / Hex (Hexagonal) Tip Screwdriver')"> Also called a hex key or hex wrench.
- It is used to tighten socket set (hex head) screws and usually comes in sets.
- Some hex sets are attached to and fold into a metal carrying case.
- Other variations include T-shaped hex tools with vinyl grips and L-shaped keys for greater torque power.