Kayan tsutsa wani abu ne da ke da aƙalla cikakken haƙori ɗaya (zare) a kusa da saman silinda kuma shine mai tuƙin ƙafafun tsutsa. Kayan tayoyin tsutsa tare da haƙoran da aka yanke a kusurwar da tsutsa za ta iya tuƙawa. Ana amfani da kayan haɗin tsutsa don aika motsi tsakanin sandunan biyu waɗanda ke a kusurwa 90° ga juna kuma suna kwance a kan jirgin sama.
Giya tsutsamasana'antar belonAikace-aikace:
Masu rage gudu,na'urorin gear masu hana juyawa suna amfani da mafi kyawun fasalulluka na kulle kansu, kayan aikin injina, na'urorin tsara bayanai, tubalan sarka, janareto mai ɗaukuwa da sauransu.