Hex wrench, izwi kandi nka "Allen wrench" cyangwa "Allen wrench", ni igikoresho gikunze gukoreshwa mugukomera cyangwa kurekura imigozi ya hex. Ikintu nyamukuru kiranga nuko ifite umwobo wa mpande esheshatu kumpera kugirango ukoreshe imitwe ya mpande esheshatu.
Hex wrenches yakozwe nisosiyete yacu ikozwe mubyuma byujuje ubuziranenge kandi bikozwe muburyo bwo gutunganya ubushyuhe no kuvura hejuru kugirango barebe ko biramba kandi biramba. Umuyoboro wateguwe neza, ufite ikiganza cyiza, biroroshye gukora, kandi utanga gufata neza.