Allen zomangira ndi wamba makina kugwirizana mbali imene nthawi zambiri ntchito kukonza ndi kulumikiza zipangizo monga zitsulo, pulasitiki, matabwa, etc. Iwo ali mkati hexagonal mutu kuti akhoza azungulira ndi lolingana Allen wrench kapena wrench mbiya ndipo amapereka kwambiri makokedwe kufala. mphamvu. Zomangira zazitsulo za hexagon zimapangidwa ndi chitsulo chapamwamba kwambiri cha alloy kapena chitsulo chosapanga dzimbiri, chomwe chimakhala ndi kukana kwa dzimbiri komanso kulimba kwamphamvu, ndipo ndi yoyenera madera osiyanasiyana komanso malo ogwirira ntchito.