The HD-22 Clever Lever puts science back in this chore by providing just the right tool to remove and replace tires easily and safely. The Clever Lever allows one person to easily move tires up to 300 lbs., helping to prevent back injuries and other costly insurance claims. Simply roll the Clever Lever under the tire, then lift and pull. To replace a tire, simply push it back in, rotate and tilt for quick alignment with the studs. HD-22 fits everything from light/medium duty pickups to heavy-duty tractors and trailer tires 24 in to 36 inches.