Na'urar tana amfani da motsin dangi mai sauri tsakanin motsi masu motsi don murkushe kayan ta hanyar tasiri tsakanin gears, juzu'i da tasiri tsakanin kayan.Samfurin mai amfani yana da fa'idodi na tsari mai sauƙi, ƙarfi, aikin barga da sakamako mai kyau na murkushewa.Za'a iya cire kayan da aka murkushe kai tsaye daga ɗakin nika na babban injin, kuma ana iya samun girman barbashi ta hanyar canza allon tare da buɗewa daban-daban.