ʻO ke kī hex, i ʻike ʻia ʻo Allen wrench a i ʻole Allen kī, he mea hana lima maʻamau i hoʻohana ʻia e hoʻopaʻa a wehe paha i nā wili a me nā kī me nā kumu hexagonal.Ma ke ʻano he mea hana lako lako kaulana me 30 mau makahiki o ka ʻike, haʻaheo mākou i ka hāʻawi ʻana i nā kī hex kiʻekiʻe e kūpono i nā pono like ʻole o kā mākou mea kūʻai.