ʻO ke kila kila he ʻano mea like ʻole me nā kinona like ʻole, ka nui a me nā waiwai i hana ʻia i ke ingot, billet a i ʻole ke kila e ka hana kaomi. Hiki ke hoʻokaʻawale ʻia i loko o ka ʻolokaʻa wela a me ke anuanu. ʻO ka lōʻihi o ka lōʻihi o ke kila kila ʻōwili wela ʻo 5-250mm, a ʻo ke anuanu i kahakaha ʻia he kila 3-100mm.