clé polygonale à cliquet
/ˈkle poliɡonˈal a klikˈɛ/
n
English: ratchet box end wrench · 棘轮梅花扳手
Sens：Wrench whose rings are fitted with a pawl, which limits the part’s rotation in one direction, and a ratchet, which can be rotated in the opposite direction without loosening the grip.