Tire Changer+Quick Tire Inflating System. Protect rim. SV-980ATire Changer Tire Changer+Quick Tire Inflating System. Protect rim.Features:Larger and thicker turntable, discounting 11"-24" rim and max. tire diameter 1010mm.Taller vertical arm, discounting max. tire width 330mm.40A reverse switch, silver point, which can bear more load and work for a long time.The hexangular shaft is made of S41, ...