Guduma Sar Jane guduma ce mai nauyi da za a iya daidaitawa. Yawancin guduma da ake samu a kasuwa suna da nauyi tabbatacce, saboda haka galibi ana ajiye guduma da yawa domin ayyuka daban-daban. Sar Jane tana da santsin ƙarfe mai motsi a kan hannun rikewa. Ana juya santsin zuwa hagu domin sakawa, a matsar da shi a tsawon hannun rikewar, sannan a juya shi zuwa dama domin sake kullewa. Idan aka ajiye santsin a ƙasan hannun rikewa, kan gudumar yana jin sauƙi, wanda ke sauƙaƙa iko mai daidaito. Idan aka matsar da santsin zuwa sama kusa da kan gudumar, ƙarfin bugu yana ƙaruwa. Kayan aiki guda ɗaya da aka yi da ƙarfen alloy yana rufe ayyuka masu sauƙi da masu nauyi duka.
Sunan aikin : Sar Jane, Sunan masu zanen kaya : Nan Wang, Sunan abokin ciniki : .
Wannan kyakkyawan zane yana cinye kyautar ƙira a gasar shirya zane. Tabbas za ku ga fayil ɗin zane-zane mai ba da lambar yabo don gano sababbin sababbin sababbin abubuwa, sabbin abubuwa, asali da kuma kayan zane-zane masu tsara kayan aiki.
