Wannan saitin kayan motsin tsutsa wanda aka yi amfani da shi a cikin jirgin ruwa.Material 34CrNiMo6 don shaft tsutsa, magani mai zafi: carburization 58-62HRC.Tsuntsaye Gear kayan CuSn12Pb1 Tin Bronze .Kayan tsutsa, wanda kuma aka sani da kayan tsutsotsi, nau'in tsarin kayan aiki ne da ake amfani da su a cikin kwale-kwale.An yi ta ne da tsutsotsin silinda (wanda kuma aka sani da dunƙule) da ƙafar tsutsotsi, wanda kayan aiki ne na cylindrical tare da yankan haƙora a cikin tsari mai ƙarfi.Gilashin tsutsotsin tsutsa yana haɗuwa tare da tsutsa, yana haifar da watsawa mai santsi da natsuwa na wutar lantarki daga ramin shigarwa zuwa mashin fitarwa.

A cikin kwale-kwale, ana amfani da injin tsutsotsin tsutsa don rage gudun mashin ɗin.The worm gear yana rage saurin mashigin shigar, wanda galibi ana haɗa shi da injin, kuma yana canja wurin wutar.