ʻO ka ʻōnaehana ʻoki BK4 hou ʻo IECHO no ka ʻoki ʻana i hoʻokahi papa (kakaikahi mau papa), hiki ke hana ma ke kaʻina hana me ka ʻakomi a me ka pololei, e like me ka ʻoki ʻana, ka wili ʻana, ke kahawai V, ka māka ʻana, a pēlā aku. Hiki ke hoʻohana nui ʻia i nā ʻoihana o loko o ke kaʻa, hoʻolaha, nā lako hale a me nā mea i hui pū ʻia, a pēlā aku. ʻO ka ʻōnaehana ʻoki BK4, me kona pololei a me ka pono kiʻekiʻe, hāʻawi i nā hopena ʻoki ʻakomi i nā ʻano ʻoihana like ʻole.
Hiki i ka wikiwiki o ka ʻoki ʻana ke piʻi i 1800mm/s. ʻOi aku ka akamai o ka mīkini ma o ka module mana neʻe IECHO MC. Hiki ke hoʻololi maʻalahi i nā ʻano neʻe like ʻole e hana me nā huahana like ʻole.
Ma ka hoʻohana ʻana i ka ʻōnaehana hou loa a IECHO e hana i kahi ʻano hana ʻoluʻolu, ma kahi o 65dB i ke ʻano mālama ikehu.
Hoʻomaopopo ka mana akamai o ka mea hoʻoili mea i ka hana holoʻokoʻa o ka ʻoki ʻana a me ka hōʻiliʻili ʻana, ʻike ʻia ka ʻoki mau ʻana no ka huahana lōʻihi loa, e mālama ana i ka hana a hoʻomaikaʻi i ka hana hana.