The TC 220S is designed for: General service shops Low volume tire service usage Standard tire construction Standard Features on all Bosch Tire Changers: Advanced mount/demount head that automatically keeps the bead in place for easy tire installation and removal Helper systems with a critical 3 points of contact to automatically maintain proper bead orientation for effortless operation Lever-less technology that lifts the bead off the rim for you at the flick of a switch Ergonomic “arm’s reach” tool placement for faster operation, and elimination of unnecessary movement and body strain Switch