Ranger DST2420 Tire Balancer 40mm Shaft - 30" Maximum Wheel Diameter CapacityThe highly accurate DST 2420 dynamic wheel balancer ensures an accurate result within hundredths of an ounce, so you can give your clients vibration free wheel balance every time. Extreme Accuracy, Speed & Reliability in a Wheel Balancer The Ranger DST 2420 wheel balancer handles wheels up to a 30 diameter. It is a highly accurate and dependable no? frills balancer that features our proprietary Digital Sensor Technology for critical reliability and