| 摘要 |
<p>The invention provides a key holder that comprises: (a) a housing (1) within which one or more keys can be held, wherein the housing is provided with an opening that can be opened to allow insertion of or removal of a key and that can be closed to enclose a key within the housing; (b) securing means (6) for releasably holding a key in a desired position within the housing; and (c) attachment means (5) that allow the housing to be attached to a key ring. The key holder may suitably be a lock nut key holder. For example, it may be a holder for a key for a lock nut to secure wheels and/or tyres on a vehicle or for a key for a lock nut to secure propellers to a boat or light aircraft.
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