Gabaɗaya, akwai nau'ikan igiyoyi marasa ƙarfe guda uku, gyfty, gyft, nau'ikan igiyoyi na gani, to, da rashin ƙarfe tutlor na USB, dace da iko, azaman jagora, jagora a cikin kebul na gani. GYFTA shine tushen ƙarfin ƙarfe wanda ba ƙarfe ba, kebul na fiber na gani mai sulke. GYFTS babban abin da ba ƙarfe ba ne wanda aka ƙarfafa shi, ƙarfe mai sulke na gani na gani.
Kebul na gani na GYFTY yana ɗaukar tsarin murɗaɗɗen saɓo-Layer, kuma fiber na gani yana lulluɓe a cikin bututun da aka yi da kayan polyester mai girma, kuma bututun yana cike da fili mai hana ruwa. An karkatar da bututu mai kwance (da igiya mai filler) a kusa da wani ƙarfin tsakiya mara ƙarfe (FRP) a cikin ƙaramin kebul na USB, kuma gibin da ke cikin kebul ɗin yana cike da mai mai hana ruwa. Extruded polyethylene sheath a wajen kebul core.
Kebul na gani na GYFTA yana ɗaukar tsarin murɗaɗɗen sako-sako. Ana lulluɓe fiber na gani a cikin bututun da aka yi da kayan polyester mai girma, kuma bututun yana cike da fili mai hana ruwa. An karkatar da bututu mai kwance (da igiya mai filler) a kusa da wani ƙarfin tsakiya mara ƙarfe (FRP) a cikin ƙaramin kebul na USB, kuma gibin da ke cikin kebul ɗin yana cike da mai mai hana ruwa. An lulluɓe shi da sulke na waje na aluminum na kebul core, sa'an nan kuma an fitar da kwafin polyethylene. GYFTS tsarin iri ɗaya ne da GYFTA, wanda ke maye gurbin sulke na aluminium da tef ɗin ƙarfe mai rufi biyu.
Babu wani abu na ƙarfe a cikin tsarin GYFTY, wanda ya dace da yankin walƙiya, yanki mai girma, da wurare masu tsangwama na lantarki. Gabaɗaya, GYFTA da GYFTS igiyoyin gani na gani kuma ana iya amfani da su don wutar lantarki, a wuraren da ke da ƙarancin buƙatun muhalli. Rashin ci na Tsakiya na tsakiya na karfafa gwiwa na tsakiya, aiki mai kyau, anti-maida hankali na kayan aikin kayan kwalliya: Ya dace da Lantarki, Kariya ta Walƙiya; anti-mikewa, juriya, anti-lalata, anti- Shock, ana iya lankwasa akai-akai, jujjuyawar, jujjuyawar, lankwasa (kwangilar lankwasawa ba ta wuce 90 °), harbin bindiga, da sauransu, tare da kyawawan kayan aikin injiniya; tsayayyiyar zagayowar zafin jiki, cikakken kwasfa, dripping anti-seepage, harshen wuta retardant da sauran kyau yanayi Performance; Daidai sarrafa fiber wuce haddi tsawo da na USB stranding farar tabbatar da cewa fiber na gani na USB yana da kyau kwarai tensile yi da zazzabi halaye; tsawon rai ya wuce shekaru 30. Hasken nauyi, ƙaramin tsayin igiya, da ƙaramin kaya akan hasumiya.
