Le roller yefriction ene-shaft yenziwe nge-alloy aluminiyam esemgangathweni.I-roller ye-friction yarn ine-anti-static, i-resistant-resistant kunye nezinye iimpawu, ukuchaneka kokutya kwentambo kuphuculwe kakhulu.Xa isantya sokutya sibe kwi-8000 RPM (ilingana ne-15 yeemitha / isibini), iliso lethu leze alikwazi nokuziva lijikeleza.Siye sibe nolunye uhlobo lwe-roller yokukhuhla ukuba ukhethe.Singenza kwakhona isitayile oyifunayo.Zive ukhululekile ukusazisa.