Ma wrench a mutu wa Flex ali ndi mitu yomwe imapindika mu stirrup kulola kuti wrench igwiritsidwe ntchito mosiyanasiyana, kuonjezera kufikira kwa wrench.
Kugwedeza kumapangidwa kuchokera kumunsi kwa mutu kapena kumapeto kwa shaft. Kolala kumapeto kwa shaft imalola kuti mutu ukhale ndi mbiri ziwiri.
Mitundu yonse ya mitu ya wrench ikhoza kukhala yosinthika mutu. Chimodzi mwazojambula zodziwika bwino za wrench ndi wrench yophatikizira yokhala ndi mutu wosasunthika wotseguka komanso mutu wa mphete wosinthika wokhala ndi ratchet (onani fanizo). Kodi kuphatikiza kiyi?).
Flex head and socket wrenches ndizofalanso. Ma sockets amafanana ndi ma wrenches a bokosi ndipo amakwanira pamwamba pamutu wa chomangira kuti atsekeretu pakagwiritsidwe ntchito. Ma wrenches a scaffolding ndi chitsanzo cha ma wrenches amutu osinthika (onani Kodi Wrench ya Scaffolding ndi chiyani?).
