ʻO nā loulou wikiwiki kiʻekiʻe he pōʻai metala me ka wehe ʻana ma kekahi ʻaoʻao a hana ʻia mai ke kila kila 304 a i ʻole 316. Ke kau ʻia ka loulou, wili wale ʻoe i ka lima ma kahi o ka puka e paʻa ai. ʻO ka mea maikaʻi, ʻaʻole ia e ʻōpala i ka manawa, ʻoiai i nā lewa ʻoluʻolu.ʻOiai ke hele mai nei lākou i ka nui ma waena o 3.5mm a me 14mm, inā he nui kikoʻī āu e ʻimi nei a laila e ʻoluʻolu e nīnau mai iā mākou no ka mea hiki iā mākou ke hoʻolako.