Isikhewu
Esinye sezikhewu ezingama-37 ezinamanani kwirotha. Kwakhona: slot, cup.
Kumxholo
Izikhewu zahlulwa ziziqenduizixhoboIsahluliIsahluli sentsimbi phakathi kwezikhewu ezimbini evilini.Funda yonke →; ubunzulu nokuphakama kwesiqendu kugqiba ukuba ibholaizixhoboIbholaIbhola encinci ephoswa emzileni ngokuchasene nerotha. Iibhola zanamhlanje zenziwe nge-ivorine okanye nge-Teflon, zi-18–21 mm.Funda yonke → itsiba kangakanani phambi kokuba ihlale. Inani lezikhewu kwivili le-roulette lixhomekeke kuhlobo.
Amavili obuchwephesha anezikhewu ezikrolwe kwisiqwenga esinye sentsimbi ukuze kungabikho sikhewu sinzulu kunesinye, nto leyo eyayingunobangela oqhelekileyo wokuthambekela kumavili omthi.