Tire changer Cylinder material:steel iron Gearbox material:aluminum Outside clamping :10" to 22" Inside clamping:12" to 24" Outside clamping : 10 to 18 inchesInside clamping : 12 to 21 inchesBead breaker force : 2500kgsCylinder materials : steel ironGeabox materials : aluminumNoise level : <70DbN.W. : 208KgsG.W. : 238Kgs Automatic car and motorcycle Tire changer,tyre changer