A ratchet (or simply ‘ratchet’) is the designation given to a screwdriver tool which, unlike a standard wrench, does not need to be repositioned time and again when there is insufficient space to complete a full turn with the wrench in place.

Why is this important?

• The ratchet enables quick and efficient tightening without having to reposition Das Werkzeug after every movement.

By the way:

…it doesn’t matter whether you enter ‘ratchet’ or ‘ratchet wrench’ in our search bar … we’ve included synonyms for all our products.

Wikipedia Ratchet:

Das Werkzeug für die Erzeugung einer umlaufenden Drehbewegung.

To tighten or loosen a screw connection incrementally, the ratchet is instead moved back and forth repeatedly by a specific angle ( = operating angle).

In doing so, the ratchet transfers the manual force directly to the nut or bolt in one direction of rotation. In the opposite direction, however, no force is transferred; instead, the ratchet turns freely, whilst simultaneously producing a mechanical, creaking or rattling sound. To ensure the tool is suitable for both tightening and loosening, this function can be switched using a small lever or rotating ring on the ratchet head, thereby swapping the respective directions of rotation for (creaking) idle speed and (silent) force transmission.

[Wikipedia / Further explanation: https://de.wikipedia.org/wiki/Knarre_(Werkzeug)]

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