Overview

Astro Pneumatic Tool Company Anti-Slip Crowfoot Flare Nut Wrench Sets

Astro Pneumatic Tool Company anti-slip crowfoot flare nut wrench sets are specialized mechanic toolkits used to tighten and loosen soft tubing fasteners (like brake, fuel, and hydraulic lines) without rounding or stripping them. They combine the multi-point grip of a flare nut wrench with an open-ended "crowfoot" adapter that can be used with a standard ratchet or torque wrench. Available in SAE or metric sizes.

Additional details:

* Anti-Slip Design: Features an off-corner loading hex design and a minimal lead-in chamfer. This prevents the wrench from camming out or rounding the soft, delicate fittings found in tight engine bays
* Crowfoot Adaptability: Because they lack a permanent handle, the tools fit into restricted areas where a standard offset wrench simply cannot reach. They attach to any standard 3/8 in. or 1/2 in. drive ratchet, extension, or torque wrench
* Convenient Storage: Sets typically come on space-saving aluminum storage rails featuring a quarter-turn locking angle display—and often include rubberized, scratch-free magnetic or mountable backing.
* Popular sets and sizes:
-- Metric set: Typically includes 10 to 15 pieces covering sizes from 8mm to 24mm
-- SAE set: Covers inch sizes from 3/8 to 1 in.

Applications

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