Ribar dunƙule shine rebar da aka yi amfani da shi kamar waya, kuma wani nau'in gidan abinci ne.
Clock dunƙule wani irin rar ne, amma akwai bambance-bambance tsakanin su biyun. Misali, akwai bambance-bambance a cikin kamannin biyu, Rebar shine layi, kuma dunƙule na yau da kullun. Akwai bambanci a cikin diamita na biyu, Rebar yana da ban tsoro, diamita shine mafi yawan kusan 10 zuwa 34 mm, kuma tsawonsa yana da kusan mita 9 ko mita 12. Diamita na dunƙule cil din shine mafi yawan mm, kuma ana iya daidaita shi ba tare da izini ba.
Bayani dalla-dalla ne daban. Babban diamita na dunƙulewa shine 6.5mm, 8.0m, 12mm, 12mm, 12mm, 12mm, 12mm, 12mm, da 14mm, yayin da generman girma na waya 5 zuwa 9mm.
An yi amfani da coil katantanwa gaba ɗaya azaman kayan gini.