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A hydrant wrench is a tool used to remove fire hydrant caps and open the valve of the hydrant. They are usually adjustable so as to fit different sized hydrant nuts. ==In France== In France, The wrench is called "Guillemin wrench" ((フランス語:clef Guillemin), pronounced (:kle ɡijəmɛ̃)), but the firefighters call it "tricoise wrench" (''clef tricoise'', ). The curved part applies on the ring, and the hooked part clutches a notch. Big tricoise wrenches are placed in fire trucks, and are mainly used to fasten the big hoses, e.g. ∅110 mm hoses to feed the pumper tank from the hydrant (∅100 mm for the clutch). Small tricoise are made of brass and hang at the fire belts; they are used to fasten the small hoses, ''e.g.'', ∅70mm to ∅22mm hoses (∅65mm to ∅20mm clutches). The shape is sometimes adapted so it can be used as a tool for other purposes; it is then called "polycoise wrench" or "Deschamps wrench". These tools are used to * Open GDF standard gas enclosures and EDF standard electrical enclosures (12mm female triangle wrench); * Open fire hydrants (15.6mm female triangle); * Open doors without knobs, ventilation accesses and closets containing firefighting equipment in some public locations (5×5mm to 8×8mm square female wrenches); * Open dry risers (12.5×12.5mm square female wrench); * Open bathroom and toilet doors (screwdriver); and * Remove nuts and bolts (13, 17 and 19mm six-point wrenches). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「hydrant wrench」の詳細全文を読む スポンサード リンク
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