ʻO kahi drill chuck kahi pipili kūikawā i hoʻohana ʻia no ka hoʻopaʻa ʻana i ka bit rotating; no laila, i kekahi manawa ua kapa ʻia ʻo ia ka bit holder. I loko o nā drills, loaʻa i nā pahu he mau auwae e hoʻopaʻa i ka bit. I kekahi mau hiʻohiʻona, pono ʻoe i kahi kī chuck e wehe a hoʻopaʻa i ka pahu, ua kapa ʻia kēia mau kī kī. I nā kumu hoʻohālike ʻē aʻe, ʻaʻole pono ʻoe i kahi kī a hiki iā ʻoe ke wehe a hoʻopaʻa maʻalahi i ka pahu me kou mau lima, ua kapa ʻia kēia mau kī kī ʻole. Aneane ua lako nā puʻupuʻu cordless me nā kī kī ʻole. ʻOiai ʻoi aku ka maikaʻi o ka hana ʻana me nā kī kī ʻole ma muli o ko lākou maʻalahi, hāʻawi nā kī kī i ka palekana ʻoi aku ka nui o nā noi kaumaha.