Biri yana nuna ragamar rami
Tsarin raga na nunin ramin ya ƙunshi raƙuman igiya mai sassauƙa da hannu wanda aka yi da hannu wanda ke goyan bayan ƙaƙƙarfan zoben zagaye na ƙarfe don samar da siffar rami.Sabuwar ra'ayi ne na juyin juya hali don ba da damar kallon 360 don baƙi na zoo yayin ƙirƙirar sarari mafi aminci.
Gilashin igiya na bakin karfe yana da halaye da yawa, wanda ya sa ya zama cikakke ga ragar shingen biri, wanda ya dace da manya, matsakaita da kanana, ana amfani da ragamar shingen biri, nunin biri, kejin biri, shingen biri, shinge shingen biri.
Gidan ramin biri an yi shi ne da bakin karfe kuma an yi shi da igiya ta bakin karfe. Wannan raga mai sassauƙa ne wanda za'a iya naɗewa da na roba, kuma yana iya samar da siffar bututu a ƙarƙashin goyon bayan zoben ƙarfe madauwari.
Ramin ramin biri bakin karfe, tarunan ramin sau da yawa ana amfani da su ga kowane nau'in birai, musamman kananan fir da birai. Diamita na ragar rami gabaɗaya kusan cm 75, kuma nisa tsakanin zoben ƙarfe gabaɗaya kusan cm 200 ne. Ƙayyadaddun samfurin da Ramin Ramin Birai ke amfani da shi shine GP1651, GP2051 GP2476, da dai sauransu, kuma ƙayyadaddun samfurin da Tiger Tunnel Mesh ke amfani da shi shine GP3251, GP3276, da sauransu.

