Klein Tools 66009 — 4-In-1 Flip Quad Socket
Four drive sizes. One pocket-sized tool. Zero excuses for being caught without the right socket.
The Klein Tools 66009 Flip Quad Socket is engineered for professional linemen, electricians, and utility workers who need to move fast and work smart. The flip mechanism lets you switch between four of the most common socket sizes in a single motion — no digging through a bag, no dropped adapters, no lost time at height or in a bucket truck.
Key Features
- 4-in-1 flip design — covers the most-used drive sizes in one compact body
- Field-proven Klein durability — built to the same standards trusted by utility professionals for over 160 years
- One-handed operation — flip and lock without setting down your work
- Compact & lightweight — fits in a tool pouch, belt bag, or pocket without bulk
- Ideal for linemen, journeymen electricians, utility crews, and maintenance techs
Specifications
- Model: 66009
- Brand: Klein Tools
- Configuration: 4-in-1 Flip Quad Socket
- Shipping Weight: See details above
When you’re working at elevation or under pressure, the Klein 66009 keeps your kit tight and your workflow moving. Add it to your pouch and never reach for the wrong socket again.


