Keep a collection of sizes handy to turn thin, awkwardly placed fasteners tucked away in confined spaces. Use the 60° or 75° angled head to reach around obstacles and apply more force without constant repositioning. The two heads save you time and reduce the number of tools you need to keep on hand. Also known as ignition wrenches.

Twist various sizes of thin fasteners in cramped spots where other wrenches are too bulky. With a head and handle about half as thick as standard wrenches, it's easier to grip nuts found in electrical enclosures and small machinery. These wrenches are ASME certified—they handle more torque than run-of-the-mill alternatives and precisely fit fasteners so they don't round them off. Drop forged for added strength, they will be part of your toolbox for life. Also known as check nut or service wrenches.

Access a range of hard-to-reach fasteners without needing to remove obstructions. These wrenches are particularly useful where components are packed tightly, such as HVAC systems and conveyors. The box end swivels a full 180° to pivot around obstacles and give you leverage even at awkward angles. To switch between loosening and tightening, flip these wrenches over.

Bend these L-keys around obstacles to access a variety of screws in hard-to-reach places. A flexible spring at the tip flexes into spots where a rigid key might not fit. Once in place, twist to turn the screw or swing it like a traditional L-key. These L-keys may wobble if you crank them too hard.

Get a strong grip in tight areas, even on fasteners that are rounded or damaged. Open the spring-loaded jaws in these heads to access a fastener like an open-end wrench; the jaws will automatically close when you push against the fastener. The 6-point opening grips hex heads on all sides. Also known as crowfoot wrenches. Attach one to a socket extension to reach obstructed fasteners. With the ratcheting feature, you can turn the fastener without removing and repositioning the wrench head.

These wrenches have one pivoting socket end and one open end.

Grip more of your fastener head with these wrench heads. They have a hex or 12-point opening with more surface area than rounded wrench heads, so they make more contact with fasteners for a better hold. Also known as flare-nut crowfoot wrenches or line wrenches, they're often used with flared tube fittings as well as fuel and hydraulic lines. Connect them to a socket extension and ratchet wrench to turn fasteners where clearance is limited from both the top and side. You can also attach one directly to your ratchet wrench to convert it into an open-ended ratcheting wrench.

Attach one of the heads in these sets to a torque wrench for more leverage to loosen a stubborn fastener. Also known as torque adapters. You can easily calculate your desired torque setting with the precise 2” center-to-center length. The wrench heads can also be connected to an extension to reach fasteners when vertical clearance is limited. The box end grips all sides of the fastener to prevent slipping. For use with hand-drive tools only.

Connect one of the heads in these sets to a socket extension to reach an obstructed fastener, then turn the fastener without removing and repositioning the wrench head. These also work well where clearance is limited from both the top and side. Alternatively, attach a head directly to a wrench handle to convert it into an open-ended ratcheting wrench. Also known as crowfoot wrenches.

Tighten or loosen nuts and bolts without damaging the finish. The tough steel core of the socket withstands the high torque of impact tools, but the insert and outer sleeve are made of plastic, which won’t scratch chrome plating and other coatings. The hex shape achieves the best possible grip on hex fasteners to prevent rounding their points.

Fasten in cramped, obstructed spaces without ever lifting the tool off the fastener. These L-keys have a pivot joint that lets you swing the handle to work around obstacles. Because the tip never loses contact with your screw, you don’t have to reposition after each turn.